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Chalcomenite
- El Dragon Mine, Quijarro Province, Potosi Department, Bolivia
- Thumbnail, 1.8 x 1.3 x 1.3 cm
- Start Time: 03/12/2009 8:15:00 pm (CDT)
- End Time: 03/19/2009 8:31:20 pm (CDT)
- Auction Closed
Item Description
A specimen of chalcomenite, a rare by-product of oxidation of primary copper minerals (CuSeO3 ?2(H2O). It is only ever seen in fairly tiny crystals. At this locality, it results from the oxidation of krutaite.