Copper with Bornite (ex Obodda)

Itauz Mine, Karagandy Province, Kazakhstan
Miniature, 4.8 x 2.9 x 1.4 cm
Start Time: 09/10/2011 6:30:00 pm (CDT)
End Time: 09/15/2011 6:30:00 pm (CDT)
Auction Closed

Item Description

An aesthetic and sculptural crystallized native copper specimen from the older finds at the Itauz Mine. The arborescent crystal cluster is comprised of extremely sharp spinel-twins and tetrahexahedral crystals. The overall appeal of this fine piece is enhanced by striking variable patina of the crystals; some crystals have a beautiful butter-copper patina, even some iridescence while other crystals are preferentially coated with iridescent bornite. A few crystals are even half and half in appearance! Interesting chemistry here. Ex Herb Obodda dealer stock.

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