Fluorite

Sold Individually What is it: Pure fluorite is transparent, both in visible and ultraviolet light, but it is the presence of impurities which make it a colorful mineral. Industrially, fluorite is used as a flux for smelting, and in the production...

Sold Individually What is it: Pure fluorite is transparent, both in visible and ultraviolet light, but it is the presence of impurities which make it a colorful mineral. Industrially, fluorite is used as a flux for smelting, and in the production...