- MD-199977
- Chalcomenite
- Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosi Department, Bolivia
- Miniature, 4.3 x 3.1 x 2.4 cm
- Ex. Philadelphia Academy of Natural Sciences
- SOLD
A superb, incredibly blue, glassy, transparent gem crystal of the rare copper selenide chalcomenite, 3 mm across, in a protected vug. Ex. Philadelphia Academy of Sciences Collection.