Fluorite from the latin fluere.. An eye catching feature of fluorite is its distinctive multicolored banding. Fluorite, from which we get the word fluorescent, crosses the entire color spectrum from deep purple to crimson red, blue to green and also chrome fluorite and frosty orange to lemon yellow. Mined in England as well as other countries Fluorite is one of the more famous fluorescent minerals. Many specimens strongly fluoresce in a great variety of colors. Due to its glassy luster fluorite is highly coveted. Fluorite is the natural crystalline form of calcium fluoride and often forms beautiful cube-shaped crystals. It is a transparent to translucent mineral. When pure, fluorite is colorless; however, it usually contains impurities (minerals that color it). The most common colours are violet, blue, green, yellow, brown, pink. It has a mohls hardness scale of 4 and a refractive index of 1.434