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0 item @ $0.00  

Acanthite on Calcite

#PD32993

Acanthite on Calcite

#PD32993
Availability
Sold
Size
5.5 x 4.5 x 2.5 cm - Sm Cabinet 
Formula
Ag2S (RRUFF)
Locality
Berschert-Gluech mine, Freiberg dist., Saxony, Germany
Tagged
sulfide

Dull, greyish black, melted looking crystals of Argentite (Acanthite) to 1cm on Calcite matrix with Pyrite. This is really a neat specimen.

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
Phillips Collection
Mineralpedia
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