| 15fbdjl ((WURTZITE, CHALCOPYRITE pseudomorph after COVELLITE)), $10 MINIMUM BID, Butte, Silver Bow County, Montana, 7 x 7 x 6 cm, Cabinet, | |
 | Here is a Butte specimen of Wurtzite. It also has a 3 cm knob of a pseudomorph after Covellite. It may be Pyrite, Chalcopyrite, Chalcocite, or something else after Covellite. The boxwork of crystals are not complete with the tops of the crystals missing. It is still an interesting addition to the Wurtzite specimen. |
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