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Acanthite with Pyrite & Quartz

#BN51673

Acanthite with Pyrite & Quartz

#BN51673
Availability
Sold
Size
9 x 6 x 4 cm - Sm Cabinet 
Formula
Ag2S (RRUFF)
Locality
Batopilas, Chihuahua, Mexico
Tagged
sulfide , silver

Three Acanthite crystals, two are at the center and are malformed, the other is at the base. The crystal at the base was not photographed but is 5mm and cubic. The two at the center are 7mm and 5mm and may be considered as one crystal. The matrix is Pyrite and Quartz.

Acanthite

Formula
Ag2
Crystal System
Monoclinic 
Crystal Habit
Blocky, Skeletal, Arborescent 
Cleavage
poor to none 
Luster
Metallic 
Color
lead gray, gray, iron black 
Streak
shining black 
Class
Monoclinic - Prismatic 
Fracture
Sectile 
Hardness
2-2.5 

Data courtesy of Webmineral.

Collection
Dr. Buford Nichols Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Acanthite
On Dakota Matrix
Other Available Acanthite
WebMineral
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Mindat
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