Ferberite with Arsenopyrite

specimen number:
4271707

location:
Tasna mine, Nor Chichas, Potosi, Bolivia

description:
Lustrous black bladed crystals of ferberite measuring to 3.5 cm in height across the top of this matrix with crystallized arsenopyrite. What at first appears to be chipping on the ferberite crystal is completely natural. The specimen is in very good condition and quite nice for the species from Bolivia.

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