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rich blue green
The piece has a small contact towards one of the corners but
very well-crystallized
modified scalenohedra of Calcite sitting on underlain "chlorite" on matrix
and the twins from Tasna are a favorite among collectors
Bournonite on Pyrite (excellent “cogwheel”) red rich blue greenA very good quality, COMPLETE, sharp, lustrous, silvery colored classic cogwheel twinned crystal group is aesthetically flaring off lustrous, golden, octahedral metallic Pyrite matrix. The cogwheel is essentially undamaged, save the tiniest of Wilbers on the edge. Its amazing to me that you can see all sides of the cogwheel as its not buried into the Pyrite matrix, which is EXCEPTIONALLY RARE in my experience with the material. If youre a Bolivian
US$ 124.95
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