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Polybasite

#PD36100

Polybasite

#PD36100
Availability
Sold
Price
$75.00
Size
2.5 x 2 x 1.5 cm - Thumbnail 
Formula
Cu(Ag,Cu)6Ag9Sb2S11 (RRUFF)
Locality
Zaca mine, Alpine Co., California, United States
Tagged
sulfide , copper

Exceptional micro crystal of this rare sulfosalt to about 0.7mm.

Polybasite

Formula
Cu(Ag,Cu)6Ag9Sb2S11 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Granular, Pseudo Hexagonal 
Cleavage
Poor, None, None 
Luster
Sub Metallic 
Color
black, dark ruby red 
Streak
reddish black 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
2.5-3 

Data courtesy of Webmineral.

Collection
Phillips Collection

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