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Pearceite

#46393
SOLD
Pearceite from Uchucchacua mine, Oyon prov., Lima dept., Peru - 46393
Pearceite from Uchucchacua mine, Oyon prov., Lima dept., Peru - 46393

Pearceite

#46393
Availability
Sold
Size
6 x 4 x 2 cm - Sm Cabinet 
Formula
Cu(Ag,Cu)6Ag9As2S11 (RRUFF)
Locality
Uchucchacua mine, Oyon prov., Lima dept., Peru
Tagged
copper , silver

There are three maybe four 1mm crystals on this specimen associated with Calcite and Chalcopyrite.

Pearceite

Formula
Cu(Ag,Cu)6Ag9As2S11 
Crystal System
Trigonal 
Crystal Habit
Massive - Granular, Granular 
Cleavage
Poor, None, None 
Luster
Sub Metallic 
Color
black 
Streak
reddish black 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Conchoidal - Irregular 
Hardness
3 

Data courtesy of Webmineral.

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