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Andorite with Owyheeite

#20910

Andorite with Owyheeite

#20910
Availability
Sold
Size
6 x 5 x 4 cm - Sm Cabinet 
Formula
AgPbSb3S6 (RRUFF)
Locality
Huanuni mine, Dalance Prov., Oruro dept., Bolivia
Tagged
sulfide

This specimen is formerly of The Academy of Natural Sciences of Philadelphia collection acquired several years ago during there tragic sell-off. Thought to be Freieslebenite and Jamesonite, we ran EDS and it turned out to be Andorite and Owyheeite as acicular inclusions in Sphalerite. You can see these as radial stars in one of the photos. The Andorite is a mixture with possible Lillianite and shows as dull steely grey massive segregations. EDS printout with specimen. Number on specimen matches museum tag (copied). Original tag not available.

Antique Specimen, EDS Confirmed

Andorite

Formula
PbAgSb3S6 
Crystal System
Orthorhombic 
Crystal Habit
Striated, Tabular 
Cleavage
None, None, None 
Luster
Metallic 
Color
grayish yellow, dark gray, steel gray 
Streak
black 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3-3.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Special Info
Antique Specimen
Special Info
EDS Confirmed
Mineralpedia
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Previously Sold Andorite
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