Amethyst Crystal Flower from Ametista do Sul, Brazil tumble stone Highly lustrous hexagonal sandwich calcite

Highly lustrous hexagonal sandwich calcite crystals in a stacked formation

Two main double terminated purple and white bi-color apatite crystals with multiple smaller crystals on a matrix of microcline feldspar with a secondary mineral on the surface

The surface exhibits a smooth

Double terminated petroleum included quartz crystal wrapped in sterling silver wire

Botryoidal agate is a type of agate that has a rounded

Amethyst Crystal Flower from Ametista do Sul, Brazil tumble stone Highly lustrous hexagonal sandwich calciteThis 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