Fluorite is an important fluorine-containing mineral in nature, tak to się też nazywa “fluoryt”. A small number of fluorites are octahedrons and rhombic dodecahedrons, and some are twin crystals. Fluorite has glass luster, przezroczysty do półprzezroczystego, hardness is brittle and easy to break, colorless and transparent are rare, mostly blue, zielony, fioletowy, and white, Ale […]
