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Mixed Minerals

Sunday, 19 May 2019 12:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including zinkenite and more from places like San Germán mine, Cerro de Potosí, Potosí, Bolivia.

Zinkenite

with Andorite & Arsenopyrite - #50350
Locality
San Germán mine, Cerro de Potosí, Potosí, Bolivia 
Formula
Pb9Sb22S42 
Availability
Available
Price
$275.00
Size
7.5 x 8 x 6 cm - Sm Cabinet 
Tagged
sulfide  

Full divergent silvery prismatic crystals to 6mm in a large vug with more single crystals of Zinkenite. The finer, smaller grey crystals are probably Jamesonite, although that is not mentioned on the tag provided with the specimen.


Zinkenite

Formula
Pb9Sb22S42 
Crystal System
Hexagonal 
Crystal Habit
Acicular, Prismatic, Striated 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
gray, steel gray 
Streak
steel gray 
Class
Hexagonal - Pyramidal 
Fracture
Uneven 
Hardness
3-3.5 
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