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Digenite with Chalcopyrite

#RW48739
SOLD
Digenite from Leonard mine, Butte dist., Silver Bow Co., Montana, United States - RW48739
Digenite from Leonard mine, Butte dist., Silver Bow Co., Montana, United States - RW48739

Digenite with Chalcopyrite

#RW48739
Availability
Sold
Size
6 x 6 x 3.5 cm - Sm Cabinet 
Formula
Cu1.8S (RRUFF)
Locality
Leonard mine, Butte dist., Silver Bow Co., Montana, United States
Tagged
ore mineral , sulfide , copper

Dark blue iridescent mass of crystalline Digenite with golden Chalcopyrite. A good ore specimen from a famous mining district.

Digenite

Formula
Cu1.8S 
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
Robert J. Waidler Collection
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