• Location: Bolivia
• Weight: 5.6g
• Dimensions: 3.1 x 1.8 x 0.6 cm
• DETAILED DESCRIPTION

Amethyst Cabochon – natural purple mineral An amethyst cabochon is a cut mineral belonging to the quartz group. This mineral is characterized by its typical purple colour, which can vary from delicate light lavender shades to intense and deep violet tones. The colouration of amethyst is caused by the presence of trace iron in the crystal structure and the subsequent influence of natural radioactive radiation during its geological development. However, prolonged exposure to intense sunlight can cause the original colour to gradually fade. Cabochon and its use in jewellery A cabochon is a specific type of cut that is facetless, but with a smooth, rounded and polished surface. This cutting method enhances the natural colour, pattern and internal structure of the stone. Amethyst cabochons are very popular in jewellery making, where they are mainly used for rings, pendants, earrings or bracelets. Thanks to its hardness of 7 on the Mohs scale, amethyst is sufficiently durable for everyday wear. Formation of amethyst Amethyst forms by crystallization from hot, mineral-rich solutions that penetrate rock cavities. Crystals grow on the walls of these cavities and form druzes. If the cavity remains partially empty, a geode is formed. In some cases, these cavities can reach considerable sizes, especially in Brazilian deposits, where impressive geodes several meters long can form. Amethyst localities The most important amethyst deposits are found in Brazil, Uruguay, Bolivia and Madagascar. Each locality produces stones with slightly different shades and characteristics. The highest quality and darkest amethysts come mainly from Uruguay and Brazil, particularly from the state of Rio Grande do Sul. Significant deposits are also found in Madagascar, Zambia, Russia, Sri Lanka and Mexico. Beautiful crystals have also been found in Europe, for example in the Alps and the Urals. In the Czech Republic, amethyst is known from areas such as Kozákov, the Třebíč region and the Ore Mountains. History and meaning of amethyst Amethyst was already considered in antiquity a stone of protection, calm and spiritual balance. Its name comes from the Greek word "amethystos," meaning "not drunk," as it was traditionally associated with protection from negative influences.