Wurtzite, Galena, Pyrite
Chocaya mine, Chocaya-Animas mining district, Atocha Municipality, Sud Chichas Province, Potosí, Bolivia
4.1 x 3.3 x 2.6 cm. Wurtzite is a rare sulfide, and the best are generally thought to have come out of this mine long ago. This fine combination specimen features an accenting single, large, lustrous, dark gray galena crystal, measuring 1.7 cm in length. Surrounding the galena crystal like rosettes of a flower are thin, tabular, lustrous black ...
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