Fluorite is a mineral composed of calcium fluoride (CaF2), المعروف أيضا باسم “fluorite”, which contains many impurities. The crystals are mostly cubes or octahedrons, and the aggregates are clusters or blocks. The pure ones are transparent and colorless, and the ones with impurities are often green, أزرق, أرجواني, rose red and other colors. Appears glass […]
