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Azurite on Malachite

#45855
SOLD
Azurite from Pittsmont mine, Bullwhacker pit, Silver Bow Park, Butte dist., Silver Bow Co., Montana, United States - 45855
Azurite from Pittsmont mine, Bullwhacker pit, Silver Bow Park, Butte dist., Silver Bow Co., Montana, United States - 45855

Azurite on Malachite

#45855
Availability
Sold
Size
8 x 5.5 x 5.5 cm - Sm Cabinet 
Formula
Cu3(CO3)2(OH)2 (RRUFF)
Locality
Pittsmont mine, Bullwhacker pit, Silver Bow Park, Butte dist., Silver Bow Co., Montana, United States
Tagged
carbonate , copper

Fine blue rosettes across face on Malachite. Chris van Laer states that this is from the Bullwhacker pit, Silver Bow Park, which was on the Continental fault of the Pittsmont mine.  Mindat # JF2-3EC. 

Azurite

Formula
Cu3(CO3)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Prismatic, Stalactitic 
Cleavage
Perfect, Fair, None 
Luster
Vitreous (Glassy) 
Color
azure blue, blue, light blue, dark blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Chris van Laer Collection
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