{"title":"Indonesian Opals","description":null,"products":[{"product_id":"indonesian-opal-88ct-cabochon-indonesia-io016","title":"Indonesian Opal 8.8ct – Cabochon – Indonesia - IO016","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.7g = 8.8ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.4 x 1.5 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also occurring in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often preserve visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are valued mainly for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028009161029,"sku":"IO016","price":96.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38471-8_photoroom-008-20250319-095539.jpg?v=1779379113"},{"product_id":"indonesian-opal-114ct-cabochon-indonesia-io010","title":"Indonesian Opal 11.4ct – Cabochon – Indonesia - IO010","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 2.2g = 11.4ct\u003c\/li\u003e\n\u003cli\u003eSize: 2.7 x 1.5 x 0.4 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silica-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently carried out by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028013125957,"sku":"IO010","price":96.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33281-6_photoroom-044-20250319-094525.jpg?v=1779379181"},{"product_id":"indonesian-opal-327ct-cabochon-indonesia-io023","title":"Indonesian Opal 32.7ct – Cabochon – Indonesia - IO023","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 6.5g = 32.7ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 6.7 x 1.7 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals\", which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal extraction in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028013224261,"sku":"IO023","price":226.23,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38492-6_photoroom-019-20250319-095810.jpg?v=1779379184"},{"product_id":"indonesian-opal-108ct-cabochon-indonesia-io032","title":"Indonesian Opal 10.8ct – Cabochon – Indonesia - IO032","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 2.1g = 10.8ct\u003c\/li\u003e\n\u003cli\u003eSize: 2.1 x 1.3 x 0.5 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less common. They are mostly of volcanic origin, formed where silica-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028013257029,"sku":"IO032","price":96.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/40184_photoroom-000-20250324-130642.jpg?v=1779379184"},{"product_id":"indonesian-opal-315ct-cabochon-indonesia-io014","title":"Indonesian Opal 31.5ct – Cabochon – Indonesia - IO014","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 6.3g = 31.5ct\u003c\/li\u003e\n\u003cli\u003eSize: 6.5 x 1.5 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are mainly valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028013289797,"sku":"IO014","price":161.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33293-7_photoroom-015-20250319-094741.jpg?v=1779379184"},{"product_id":"indonesian-opal-43ct-cabochon-indonesia-io008","title":"Indonesian Opal 4.3ct – Cabochon – Indonesia - IO008","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 0.8g = 4.3ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.3 x 1.4 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with minor deposits also occurring in Sumatra. Compared to the renowned Australian mining areas, these stones are less prevalent. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black shades. Under certain lighting conditions, some specimens exhibit a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood becomes permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly accounts for the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028013355333,"sku":"IO008","price":63.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33275-6_photoroom-028-20250319-094525.jpg?v=1779379185"},{"product_id":"indonesian-opal-47ct-cabochon-indonesia-io011","title":"Indonesian Opal 4.7ct – Cabochon – Indonesia - IO011","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 0.9g = 4.7ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.3 x 1.2 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less common. They are mostly volcanic in origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are mainly valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028013486405,"sku":"IO011","price":77.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33284-7_photoroom-003-20250319-094741.jpg?v=1779379189"},{"product_id":"indonesian-opal-45ct-cabochon-indonesia-io009","title":"Indonesian Opal 4.5ct – Cabochon – Indonesia - IO009","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 0.9g = 4.5ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.5 x 1.2 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also occurring on Sumatra. Compared to the renowned Australian mining areas, these stones are less widely known. They are mostly of volcanic origin, formed where silica-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colours can range from milky white or greyish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens display a subtle iridescent play of colours. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028013551941,"sku":"IO009","price":42.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33278-9_photoroom-035-20250319-094525.jpg?v=1779379189"},{"product_id":"indonesian-opal-66ct-cabochon-indonesia-io001","title":"Indonesian Opal 6.6ct – Cabochon – Indonesia - IO001","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.3g = 6.6ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.1 x 1.2 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with minor deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less common. They are mostly of volcanic origin, formed where silica-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently carried out by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are mainly valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028013781317,"sku":"IO001","price":161.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33227-4_photoroom-030-20250319-094040.jpg?v=1779379193"},{"product_id":"indonesian-opal-49ct-cabochon-indonesia-io031","title":"Indonesian Opal 4.9ct – Cabochon – Indonesia - IO031","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 0.9g = 4.9ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.1 x 1 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can vary from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028014010693,"sku":"IO031","price":29.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/40181_photoroom-017-20250323-132342.jpg?v=1779379195"},{"product_id":"indonesian-opal-65ct-cabochon-indonesia-io033","title":"Indonesian Opal 6.5ct – Cabochon – Indonesia - IO033","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.2g = 6.5ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.6 x 1 x 0.7 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with minor deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less common. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can vary from milky white or grayish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028014108997,"sku":"IO033","price":245.62,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/40187_photoroom-008-20250324-130642.jpg?v=1779379197"},{"product_id":"indonesian-opal-67ct-cabochon-indonesia-io018","title":"Indonesian Opal 6.7ct – Cabochon – Indonesia - IO018","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.3g = 6.7ct\u003c\/li\u003e\n\u003cli\u003eSize: 2.2 x 1.4 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silica-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are appreciated primarily for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028014207301,"sku":"IO018","price":84.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38477-8_photoroom-024-20250319-095539.jpg?v=1779379200"},{"product_id":"indonesian-opal-71ct-cabochon-indonesia-io007","title":"Indonesian Opal 7.1ct – Cabochon – Indonesia - IO007","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.4g = 7.1ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.3 x 1.3 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silica-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are valued primarily for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028014502213,"sku":"IO007","price":77.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33272-7_photoroom-022-20250319-094525.jpg?v=1779379202"},{"product_id":"indonesian-opal-68ct-cabochon-indonesia-io022","title":"Indonesian Opal 6.8ct – Cabochon – Indonesia - IO022","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.3g = 6.8ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.2 x 1.2 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with minor deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silica-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are mainly valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028014534981,"sku":"IO022","price":90.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38489-9_photoroom-010-20250319-095810.jpg?v=1779379202"},{"product_id":"indonesian-opal-69ct-cabochon-indonesia-io034","title":"Indonesian Opal 6.9ct – Cabochon – Indonesia - IO034","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.3g = 6.9ct\u003c\/li\u003e\n\u003cli\u003eSize: 2.2 x 1.4 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are valued primarily for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028015124805,"sku":"IO034","price":103.42,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/40190_photoroom-016-20250324-130642.jpg?v=1779379205"},{"product_id":"indonesian-opal-35ct-cabochon-indonesia-io012","title":"Indonesian Opal 3.5ct – Cabochon – Indonesia - IO012","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 0.7g = 3.5ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.8 x 1.2 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also occurring in Sumatra. Compared to the renowned Australian mining areas, these stones are less widely distributed. They are mostly of volcanic origin, formed where silica-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can vary from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are valued mainly for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028112216389,"sku":"IO012","price":116.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33287-7_photoroom-010-20250319-094741.jpg?v=1779380293"},{"product_id":"indonesian-opal-74ct-cabochon-indonesia-io002","title":"Indonesian opal 7.4ct – Cabochon – Indonesia - IO002","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.4g = 7.4ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.1 x 1.3 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with minor deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silica-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can vary from milky white or grayish tones to dark, sometimes almost black shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal extraction in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028127322437,"sku":"IO002","price":96.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33257-5_photoroom-034-20250319-094040.jpg?v=1779380516"},{"product_id":"indonesian-opal-52ct-cabochon-indonesia-io028","title":"Indonesian Opal 5.2ct – Cabochon – Indonesia - IO028","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1g = 5.2ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.8 x 1.5 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028127355205,"sku":"IO028","price":48.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38567_photoroom-017-20250319-121732.jpg?v=1779380517"},{"product_id":"indonesian-opal-131ct-cabochon-indonesia-io004","title":"Indonesian Opal 13.1ct – Cabochon – Indonesia - IO004","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6g = 13.1ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.7 x 1.3 x 0.4 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are predominantly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the well-known Australian mining areas, these stones are less common. They are mostly of volcanic origin, formed where silica-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or greyish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028127387973,"sku":"IO004","price":61.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33263-6_photoroom-000-20250319-094525.jpg?v=1779380518"},{"product_id":"indonesian-opal-118ct-cabochon-indonesia-io024","title":"Indonesian opal 11.8ct – Cabochon – Indonesia - IO024","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 2.3g = 11.8ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.4 x 1.3 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are predominantly found on the islands of Java and Borneo, with smaller deposits also located in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or greyish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lesser global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028127519045,"sku":"IO024","price":122.81,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38495-9_photoroom-025-20250319-095810.jpg?v=1779380522"},{"product_id":"indonesian-opal-59ct-cabochon-indonesia-io020","title":"Indonesian Opal 5.9ct – Cabochon – Indonesia - IO020","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.1g = 5.9ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.2 x 1.2 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or greyish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are appreciated primarily for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028127551813,"sku":"IO020","price":168.06,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38483-9_photoroom-043-20250319-095539.jpg?v=1779380524"},{"product_id":"indonesian-opal-77ct-cabochon-indonesia-io005","title":"Indonesian Opal 7.7ct – Cabochon – Indonesia - IO005","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.5g = 7.7ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.2 x 1.3 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with minor deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less common. They are mostly of volcanic origin, formed where silica-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or greyish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028127617349,"sku":"IO005","price":103.42,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33266-7_indonesian-opal-7-7ct---cabochon---indonesia.jpg?v=1779380527"},{"product_id":"indonesian-opal-132ct-cabochon-indonesia-io025","title":"Indonesian opal 13.2ct – Cabochon – Indonesia - IO025","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 2.6g = 13.2ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.3 x 1.4 x 0.4 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are mainly valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028180734277,"sku":"IO025","price":252.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38498_photoroom-000-20250319-121732.jpg?v=1779381579"},{"product_id":"indonesian-opal-306ct-cabochon-indonesia-io035","title":"Indonesian Opal 30.6ct – Cabochon – Indonesia - IO035","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 6.1g = 30.6ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 6.9 x 1.7 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less common. They are mostly of volcanic origin, formed where silica-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028180767045,"sku":"IO035","price":151.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/40193_photoroom-023-20250324-130642.jpg?v=1779381579"},{"product_id":"indonesian-opal-35ct-cabochon-indonesia-io026","title":"Indonesian Opal 3.5ct – Cabochon – Indonesia - IO026","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 0.7g = 3.5ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.6 x 1.4 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also occurring in Sumatra. Compared to the renowned Australian mining areas, these stones are less widely distributed. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are valued mainly for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028180799813,"sku":"IO026","price":63.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38501_photoroom-005-20250319-121732.jpg?v=1779381582"},{"product_id":"indonesian-opal-61ct-cabochon-indonesia-io003","title":"Indonesian Opal 6.1ct – Cabochon – Indonesia - IO003","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.2g = 6.1ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.5 x 1.4 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly volcanic in origin, formed where silicate-rich solutions deposit into rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or greyish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. The so-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal extraction in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently carried out by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are valued mainly for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028180832581,"sku":"IO003","price":63.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33260-6_photoroom-039-20250319-094040.jpg?v=1779381584"},{"product_id":"indonesian-opal-61ct-cabochon-indonesia-io013","title":"Indonesian Opal 6.1ct – Cabochon – Indonesia - IO013","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.2g = 6.1ct\u003c\/li\u003e\n\u003cli\u003eSize: 1.5 x 1.1 x 0.6 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less common. They are mostly volcanic in origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or greyish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens show a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028180865349,"sku":"IO013","price":90.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33290-7_photoroom-025-20250319-094741.jpg?v=1779381587"},{"product_id":"indonesian-opal-229ct-cabochon-indonesia-io019","title":"Indonesian Opal 22.9ct – Cabochon – Indonesia - IO019","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 4.5g = 22.9ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 3.9 x 1.5 x 0.4 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silica-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028180898117,"sku":"IO019","price":122.81,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38480-9_photoroom-034-20250319-095539.jpg?v=1779381587"},{"product_id":"indonesian-opal-5ct-cabochon-indonesia-io006","title":"Indonesian Opal 5ct – Cabochon – Indonesia - IO006","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1g = 5ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.5 x 1.4 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are found primarily on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less common. They are mostly of volcanic origin, formed where silicate-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are mainly valued for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028180930885,"sku":"IO006","price":84.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33269-8_photoroom-013-20250319-094525.jpg?v=1779381587"},{"product_id":"indonesian-opal-79ct-cabochon-indonesia-io027","title":"Indonesian Opal 7.9ct – Cabochon – Indonesia - IO027","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.5g = 7.9ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2 x 1.3 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are primarily found on the islands of Java and Borneo, with smaller deposits also occurring in Sumatra. Compared to the well-known Australian mining areas, these stones are less common. They are mostly of volcanic origin, formed where silicate-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal extraction in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Extraction is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028180963653,"sku":"IO027","price":22.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38564_photoroom-011-20250319-121732.jpg?v=1779381588"},{"product_id":"indonesian-opal-62ct-cabochon-indonesia-io030","title":"Indonesian Opal 6.2ct – Cabochon – Indonesia - IO030","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.2g = 6.2ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.1 x 1.4 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are predominantly found on the islands of Java and Borneo, with smaller deposits also located in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are prized primarily for their exotic origin. They are rarely exported in large quantities, making them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028181061957,"sku":"IO030","price":84.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/40178_photoroom-008-20250323-132342.jpg?v=1779381592"},{"product_id":"indonesian-opal-7ct-cabochon-indonesia-io029","title":"Indonesian Opal 7ct – Cabochon – Indonesia - IO029","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.4g = 7ct\u003c\/li\u003e\n\u003cli\u003eDimensions: 1.6 x 1.3 x 0.3 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are mainly found on the islands of Java and Borneo, with smaller deposits also in Sumatra. Compared to the renowned Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silicate-rich solutions deposit in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, shades. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are primarily valued for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028181094725,"sku":"IO029","price":61.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/38570_photoroom-001-20250323-132342.jpg?v=1779381594"},{"product_id":"indonesian-opal-9ct-cabochon-indonesia-io015","title":"9ct Indonesian Opal – Cabochon – Indonesia - IO015","description":"\u003cul\u003e\n\u003cli\u003eLocation: Indonesia\u003c\/li\u003e\n\u003cli\u003eWeight: 1.8g = 9ct\u003c\/li\u003e\n\u003cli\u003eSize: 2.2 x 1.4 x 0.2 cm\u003c\/li\u003e\n\u003cli\u003eDETAILED DESCRIPTION\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIndonesian opals are predominantly found on the islands of Java and Borneo, with minor deposits also occurring in Sumatra. Compared to the well-known Australian mining areas, these stones are less widespread. They are mostly of volcanic origin, formed where silica-rich solutions are deposited in rock fissures in regions of intense volcanic activity.\nTheir colors can range from milky white or grayish tones to dark, sometimes almost black, hues. Under certain lighting conditions, some specimens display a subtle iridescent play of colors. So-called \"wood opals,\" which form when ancient wood is permeated and fossilized, are also quite common. These often retain visible organic patterns from the original material.\nOpal mining in Indonesia is not as extensive as in some other countries, which partly explains the lower global awareness of these stones. Mining is frequently done by hand, with minimal mechanization, and many specimens are subsequently cut and polished.\nIndonesian opals are valued primarily for their exotic origin. They are rarely exported in large quantities, which makes them a rare and sought-after addition to collectors' portfolios.\nIndonesian Opal – Cabochon – Indonesia\u003c\/p\u003e","brand":"PeltramMinerals","offers":[{"title":"Default Title","offer_id":58028181291333,"sku":"IO015","price":96.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/1659\/2965\/files\/33296-8_photoroom-002-20250319-095539.jpg?v=1779381599"}],"url":"https:\/\/moldavite.it\/en\/collections\/opale-indonesiano.oembed","provider":"Moldavite.it","version":"1.0","type":"link"}