Fluorite is an important fluorine-containing mineral in nature, så kalles det også “fluoritt”. A small number of fluorites are octahedrons and rhombic dodecahedrons, and some are twin crystals. Fluorite has glass luster, gjennomsiktig til gjennomsiktig, hardness is brittle and easy to break, colorless and transparent are rare, mostly blue, grønn, lilla, and white, men […]
