Rainbow Fluorite Long Faceted Teardrop Briolette All Season topside drilled 9mmx25mm Fluorite gets its name from the latin word , 'fluo', which means a flow of water. Rainbow Fluorite's earliest uses date back to Ancient Egyptians and Chinese. Fluorite deposits can be found globally as mineral found in Granite and other Igneous rock. Fluorite is a deep Spring Purple and perhaps a Fall Gem. This Rainbow Fluorite has been given a teardrop cut for your jewelry making convenience.