3877 10ghgars ((COPPER on QUARTZITE)), $75 MINIMUM BID, 6590 level, Bingham Canyon Mine, Oquirrh Mtn, Salt Lake County, Utah, 4.5 x 4 x 3.5 cm, Miniature | |
Bingham Canyon Mine mines microscopic Copper and Copper minerals such a Chalcopyrite, Chalcocite, etc. Actual crystalline Copper is uncommon to rare. Back about 2010 crstallized Copper that deposited in the cracks of the brecciated Quartzite. The Copper has small twinned crystals including rare cubic crystals. |