Collection of Mark Fenoglio
334 specimens published from MyMinerals 1.0

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Arsenic and Proustite
No. 0240

Freiberg, Saxony, Germany

Lump of light to dark-gray mass, with somewhat botryoidal surface in spots; tiny proustite crystals (<1 mm) difficult to see with naked eye; single stunted cigar-shaped crystal may perhaps be proustite, but is steel-gray and not characteristic red color

Purchased in February 2003
ex. Roland Bounds
 
3.3 x 2.3 x 2.2 cm (miniature)

 

 
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