Chalcocite with Quartz
SOLD
Chalcocite with Quartz
- Sold
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- Availability
- Sold
- Size
- 7.5 x 6.5 x 4 cm - Sm Cabinet
- Formula
- Cu2S (RRUFF)
- Locality
- Mountain Consolidated mine, Butte, Silver Bow Co., Montana, United States
- Tagged
- sulfide , ore specimen
Outstanding specimen with stell grey free-standing swords of Chalcocite to 9mm generally averaing 5mm. There is a slight iridescence of a blue tone. Very little damage to this specimen for being so old and historic.
Chalcocite
- Formula
- Cu2S
- Crystal System
- Monoclinic
- Crystal Habit
- Massive, Granular, Euhedral Crystals
- Cleavage
- Indistinct, None, None
- Luster
- Metallic
- Color
- blue black, gray, black, black gray, steel gray
- Streak
- grayish black
- Class
- Monoclinic - Prismatic
- Fracture
- Conchoidal
- Hardness
- 2.5-3
Data courtesy of Webmineral.
- Collection
- Phillips Collection
- Mineralpedia
- View Chalcocite
- On Dakota Matrix
- Previously Sold Chalcocite
- On Dakota Matrix
- Other Available Chalcocite
- WebMineral
- View Chalcocite
- Mindat
- View Chalcocite
