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Sphalerite with Quartz, Barite, Pyrite & Enargite

#PD31809
SOLD
SPHALERITE from Butte dist., Silver Bow Co., Montana, United States - PD31809
SPHALERITE from Butte dist., Silver Bow Co., Montana, United States - PD31809

Sphalerite with Quartz, Barite, Pyrite & Enargite

#PD31809
Availability
Sold
Size
4.5 x 4 x 2 cm - Miniature 
Formula
ZnS (RRUFF)
Locality
Butte dist., Silver Bow Co., Montana, United States
Tagged
sulfide

The specimen was a difficult subject since dark and light colored minerals are hard to photograph together, at least for me. Anyhow - this is a good combination specimen with a lot going on. Sphalerite groups are the large black crystals you see. Enargite also occurs as nice micro 1-2mm crystals with green alterations about the Quartz. Also included are Chalcopyrite crystals and a Baryte crystal to 1cm. Nice specimen from this historic mining district.

Sphalerite

Formula
ZnS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Granular, Colloform 
Cleavage
Perfect, Perfect, Perfect 
Luster
Resinous - Greasy 
Color
brown, yellow, red, green, black 
Streak
brownish white 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Sphalerite
On Dakota Matrix
Other Available Sphalerite
WebMineral
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Mindat
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