6mm Round Matte Rainbow Fluorite beads from Dakota Stones. Fluorite is a colorful mineral, both in visible and ultraviolet light, and the stone has ornamental and lapidary uses. Industrially, fluorite is used as a flux for smelting, and in the production of certain glasses and enamels. Mined in China, Germany, and the USA. Approximately 69 beads per 16" strand.