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Umangite

#46647
SOLD
Umangite from Tumiñico mine, Sierra de Cacho, La Rioja, Argentina - 46647
Umangite from Tumiñico mine, Sierra de Cacho, La Rioja, Argentina - 46647

Umangite

#46647
Availability
Sold
Size
3 x 2.5 x 2.5 cm - Thumbnail 
Formula
Cu3Se2 (RRUFF)
Locality
Tumiñico mine, Sierra de Cacho, La Rioja, Argentina
Tagged
selenide , copper

Dark puprlish black grains in matrix.

Umangite

Formula
Cu3Se2 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular 
Cleavage
Distinct, Distinct, None 
Luster
Metallic 
Color
blue black, brownish black, red violet 
Streak
black 
Class
Orthorhombic - Disphenoidal 
Fracture
Uneven 
Hardness
3 

Data courtesy of Webmineral.

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