Fluorite
Fluorite is the mineral form of calcium fluoride and comes in colors ranging from white to pale green, pink, and purple. Often, more than one color occurs in a single stone. Fluorite is a colorful mineral, both in visible and ultraviolet light. The stone has ornamental, lapidary, and industrial uses. Known as the "Genius Stone," fluorite is though to clear the mind of illusion and enhances concentration.
