Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosí Department, Bolivia
43mm x 37mm x 30mm
A rarely seen matrix specimen from this mine featuring a solitary, grey blade of Bournonite on micro Pyrite matrix. A fair piece for the size and quality, and a good opportunity for one to purchase an above average reference specimen with good aesthetics.
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