Silver Cove (@silver.cove) - Rainbow Rocks!!! Fluorite, a mineral composed of calcium fluoride, exhibits a wide range of colors due to various factors, including impurities, exposure to radiation, and structural defects. The most common colors of fluorite include purple, blue, green, yellow, and colorless. #fluorite #fluoritecrystal #crystaltok #raindow #silvercove #silvercoverocks #colors#cangems