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0 item @ $0.00  

Digenite

#BAC61703

Digenite

#BAC61703
Availability
Sold
Size
4 x 2.5 x 2.3 cm - Miniature 
Formula
Cu1.8S (RRUFF)
Locality
Leonard mine, Butte dist., Silver Bow Co., Montana, United States
Tagged
sulfide , copper

Massive bluish, metallic specimen. Digenite can be distinguished from Covellite by moistening the specimen with a little saliva on a fresh blue surface. Covellite will turn purple, digenite will not. 

Digenite

Formula
Cu1.8
Crystal System
Trigonal 
Crystal Habit
Pseudo Cubic 
Cleavage
Indistinct, None, None 
Luster
Sub Metallic 
Color
blue, dark blue, black 
Streak
grayish black 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
2.5-3 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
Mineralpedia
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