Rare Mineral in Calcite Formation Geode

This mineral specimen is truly remarkable, a rare find featuring a calcite formation geode adorned with undulating white quartz edges and captivating lavender amethyst. The calcite formations resemble delicate flower petals, and the presence of black goethite coating enhances the overall appeal of this piece. The presence of this Rare Mineral in Calcite Formation Geode in a unique arrangement of black goethite in straight lines over calcite is a rarity, predominantly found in Uruguay. Collectors of gemstones often refer to these mineral patterns as 'skunks.