Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosí Department, Bolivia
25mm x 25mm x 12mm
This piece, despite our best efforts to photograph it, is actually a very attractive and worthwhile thumbnail specimen of Bournonite from Machacamarca. It hosts a pair of fine quality, sharp, lustrous, stepped, tabular crystals of a metallic silvery-grey color. There is a point of attachment on the right hand side of the piece, but is virtually damage free the rest of the way around.
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