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Mineralpedia Details for Chenevixite

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Chenevixite

Chenevixite

Named in honor of Richard Chenevix, an Irish chemist who was an early analyist of a Cornish copper-iron arsenate that was later shown to be Chenevixite. Chenevixite is an uncommon to rare mineral that finds its type locality and a few other localities in Cornwall, England, while additional localities include in the United States, Mexico, Chile, the Democratic Republic of the Congo, Australia, and several others. It can be found in oxidized hydrothermal polymetallic mineral deposits.

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

Formula
Cu(Fe3+,Al)(AsO4)(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Cryptocrystalline, Massive, Compact 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
yellow green, dark green, olive green 
Streak
greenish yellow 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
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Mindat
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Chenevixite from Patagonia Mountains, Patagonia, Santa Cruz Co., Arizona, United States

Chenevixite
            from Patagonia Mountains, Patagonia, Santa Cruz Co., Arizona, United States

Excellent micro crystals of green Chenevixite to 0.75mm.

Click thumbnail images for larger view.

Chenevixite from Chuquicamata mine, El Loa Prov., Antofagasta, Chile

Chenevixite
            from Chuquicamata mine, El Loa Prov., Antofagasta, Chile

Bright green massive Chenevixite from Chuquicamata.

Click thumbnail images for larger view.

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