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Mineralpedia Details for Perovskite

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Perovskite

Perovskite

Named for Count Lev Alekseevich Perovskii, a Russian mineralogist who helped contribute to the mining industry of Russia. Perovskite is a widespread mineral with many localities including in Russia, Sweden, Switzerland, Germany, Italy, Brazil, Greenland, Canada, and the United States. It forms as “an accessory miner in alkaline mafic rocks, as nepheline syenites, kimberlites, carbonatites, [and] commonly deuteric.” It can additionally form in calcium-rich skarn and is a common accessory mineral in calcium and aluminum rich inclusions within carbonaceous chondrite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/perovskite.pdf

Formula
CaTiO3 
Crystal System
Orthorhombic 
Crystal Habit
Reniform, Pseudo Cubic, Pseudo Hexagonal 
Cleavage
Good, Good, Good 
Luster
Sub Metallic 
Color
black, reddish brown, pale yellow, yellowish orange 
Streak
grayish white 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
5.5 
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Perovskite from Valde Cogne, Aosta, Italy

Perovskite
            from Valde Cogne, Aosta, Italy

Large reddish brown orthorhombic square prisms the largest to 8mm associated with large, black Magnetite crystals to 18mm.

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