Lapidary and jewellery workshop - Australian opals specialist

Fluorite (fluorine) and quartz

Minerals  > Crystallized minerals
Réf : M1812
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Fluorite (fluorine) and quartz M1812

Fluorite (fluorine) and quartz

FLUORINE or FLUORITE. Chemical formula: CaF2. Hardness: 4. Density: 3.1 to 3.3. Cleavage: perfect, octahedral. Luster: vitreous to greasy. System: cubic in the form of a cube, octahedron, or in dense, granular masses.
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    The crystal system is cubic. Crystals are cubes or octahedra, often twinned. The habit can be granular, massive, or compact. Perfect octahedral cleavage. Conchoidal fracture. It is often associated with quartz, calcite, dolomite, galena, pyrite, chalcopyrite, sphalerite, barite... Chemical formula: CaF2. Hardness: 4. System: Cubic, sometimes octahedral. ... info ... mode=