Amethyst Crystal Flower from Ametista do Sul, Brazil mangano The heulandite fans share the

The heulandite fans share the trimmed-out pocket of volcanic basalt rock with clear fluorapophyllite crystals on gray chalcedony

George Frederick Kunz

Kunzite is the pink variety of Spodumene

There are multiple rainbows and the clarity is excellent

Natural surface variation typical of botryoidal chalcedony growth

Amethyst Crystal Flower from Ametista do Sul, Brazil mangano The heulandite fans share theThis 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