Amethyst Crystal Flower from Ametista do Sul, Brazil tumble stone Beautiful cluster of clear apophyllite

Beautiful cluster of clear apophyllite crystals with rhombic yellow calcite

Double terminated petroleum included quartz crystal wrapped in sterling silver wire

Afghanistan

The mineral assemblage of this quartz cluster accompanied by green tourmaline crystals and lepidolite late-stage growth

reminiscent of a starry night sky

Amethyst Crystal Flower from Ametista do Sul, Brazil tumble stone Beautiful cluster of clear apophylliteThis lavender color radial amethyst crystal "flower" comes from the renowned amethyst mines of Ametista do Sul, in Rio Grande do Sul, Brazil. Amethyst crystal flowers from Ametista do Sul formed over hundreds of thousands (or even millions) of years. They formed when silica saturated groundwater filled the narrow fissures in the basaltic volcanic rocks of the Serra Geral Formation (Lower Cretaceous in age). These beautiful amethyst crystals slowly