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| Fluorite - Reciprocal Net Common Molecule | Log in | ||
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Fluorite
Chemical Formula:
CaF2
Other names:
Layman's explanation:
Fluorite is a transparent to translucent mineral that exists in a diverse variety of colors. The color is changeable, the most common being green and purple; but fluorite may also be colorless, white, yellow, blue, or brown. Colors may result from the presence of impurity ions such as rare earths or Mn4+, hydrocarbon inclusions, or lattice defects. It is commonly found in crystalline cubes in veins and associated with lead, tin, and zinc ores. Fluorite is the most abundant fluorine-bearing mineral that occurs as cubes or compact masses and more rarely as octahedral with complex modifications. It is found in many localities around the world but only a few produce large quantities of high quality. Fluorite frequently emits a blue-to-green fluorescence under ultraviolet radiation, especially if rare-earth or hydrocarbon material is present. Also, some fluorites are thermoluminescent, that is, they emit light when heated.
Keywords:
mineral,
fluorescent,
thermoluminescent
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Crystallographic
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