Fluorite is an important fluorine-containing mineral in nature, così è anche chiamato “fluorite”. A small number of fluorites are octahedrons and rhombic dodecahedrons, and some are twin crystals. Fluorite has glass luster, da trasparente a traslucido, hardness is brittle and easy to break, colorless and transparent are rare, mostly blue, verde, viola, and white, Ma […]
