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0 item @ $0.00  

Umangite with polished microprobe disc.

#50366

Umangite with polished microprobe disc.

#50366
Availability
Sold
Size
2.5 x 2.5 x 2 cm - Thumbnail 
Formula
Cu3Se2 (RRUFF)
Locality
Eldorado Mining & Refining Ltd., Beaverlodge Lake area, Saskatchewan, Canada
Tagged
copper , selenium

A unique locality for this rare selenium sulfide. The specimen is 2.5cm and sawed on one side for positive identification in the epoxy disc used for EDS/microprobe work. The Umangite is the dark grey or sooty black mass . Ex. Art Segoralli (sp?).

XRD Confirmed, EDS Confirmed

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

Data courtesy of Webmineral.

Special Info
XRD Confirmed
Special Info
EDS Confirmed
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