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Benitoite - Reciprocal Net Common Molecule Log in
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Benitoite

Benitoite is the state gem of California.

Chemical Formula: BaO9Si3Ti
Other names: Barium titanium cyclo-trisilicate
Layman's explanation: Benitoite was discovered in 1906 near San Benito River, in California. It was thought to be a type of sapphire because of the blue color but x-ray crystallography proved differently. It will fluoresce, to a pale blue, under UV light. It produces trigonal crystals and is the only mineral with ditrigonal-dipyramidal symmetry.
Keywords: fluoresce, ditrigonal-dipyramidal
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