• Location: Bolivia
• Weight: 3.6g
• Dimensions: 2.5 x 1.6 x 0.5 cm
• DETAILED DESCRIPTION

Amethyst Cabochon – natural purple mineral An amethyst cabochon is a processed mineral belonging to the quartz group. This mineral is characterized by its typical purple colour, which can range from delicate light lavender hues 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. Prolonged exposure to intense sunlight can, however, cause a gradual fading of the original colour. Cabochon and its use in jewellery A cabochon is a specific type of cut without facets, but with a smooth, rounded and polished surface. This processing method enhances the stone's natural colour, pattern and internal structure. 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. Amethyst formation Amethyst forms by crystallization from hot, mineral-rich solutions that penetrate rock cavities. Crystals grow on the walls of these cavities and form geodes. If the cavity remains partially empty, a geode forms. In some cases, these cavities can reach considerable sizes, especially in Brazilian deposits, where impressive geodes several meters across can form. Amethyst localities The most important deposits of amethyst 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 In antiquity, amethyst was already considered a stone of protection, calm and spiritual balance. Its name comes from the Greek word "amethystos," meaning "not intoxicated," as it was traditionally associated with protection from negative influences.