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Pyrargyrite with Siderite

#PD31477

Pyrargyrite with Siderite

#PD31477
Availability
Sold
Size
6 x 5 x 3 cm - Sm Cabinet 
Formula
Ag3SbS3 (RRUFF)
Locality
Pribram, Bohemia, Czech Republic
Tagged
antique , sulfide

Ex. US National Museum from the Roebling Collection with an antique  K.S. Mineralien - Niedelag...this tag is ripped a little.

This is a large prismatic Pyrargyrite 2cm crystal with deep red internal reflections. The crystal itself is excellent with good forms as the photos show. There is a visible, old fracture near the one end otherwise with in very good shape.

Antique Specimen

Pyrargyrite

Formula
Ag3SbS3 
Crystal System
Trigonal 
Crystal Habit
Massive, Crystalline - Poor, Prismatic 
Cleavage
Poor, None, None 
Luster
Sub Metallic 
Color
deep red, red gray 
Streak
cherry red 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
2.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Special Info
Antique Specimen

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