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0 item @ $0.00  

Pearceite

#WR54140

Pearceite

#WR54140
Availability
Sold
Size
4.5 x 2.5 x 0.7 cm - Miniature 
Formula
Cu(Ag,Cu)6Ag9As2S11 (RRUFF)
Locality
Molly Gibson mine, Aspen, Pitkin Co., Colorado, United States
Tagged
sulfide , copper , silver

This is a type locality Pearceite from an old, classic silver bearing Colorado locality. The piece is sawed and polished on one side for microprobe work with elemental percentages on a label. The other side is rough and shows dark dull grey color with really no crystallized area. 

Type Locality, Microprobed

Pearceite

Formula
Cu(Ag,Cu)6Ag9As2S11 
Crystal System
Trigonal 
Crystal Habit
Massive - Granular, Granular 
Cleavage
Poor, None, None 
Luster
Sub Metallic 
Color
black 
Streak
reddish black 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Conchoidal - Irregular 
Hardness

Data courtesy of Webmineral.

Collection
Willard L. Roberts Collection
Special Info
Type Locality
Special Info
Microprobed
Mineralpedia
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Previously Sold Pearceite
On Dakota Matrix
Other Available Pearceite
WebMineral
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