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Arsentsumebite with Malachite

#55712

Arsentsumebite with Malachite

#55712
Availability
Sold
Size
8.5 x 5.5 x 2.5 cm - Sm Cabinet 
Formula
Pb2Cu(AsO4)(SO4)(OH) (RRUFF)
Locality
Tsumeb mine, Tsumeb, Namibia
Tagged
arsenate , copper

Lime green spongy masses of Arsentsumebite in a core of Malachite. Interesting crystals of nice micro blades of Malachite has overgrown the Arsentsumebite in parts.

Arsentsumebite

Formula
Pb2Cu(AsO4)(SO4)(OH) 
Crystal System
Monoclinic 
Cleavage
None, None, None 
Luster
Adamantine - Metallic 
Color
yellow green, emerald green 
Streak
light green 
Class
Monoclinic - Prismatic 
Hardness
4-5 

Data courtesy of Webmineral.

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