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Calcite on Tenorite (ex Kay Robertson Collection)
- Bisbee, Cochise County, Arizona
- Cabinet, 10.7 x 5.3 x 5.2 cm
- Start Time: 01/11/2018 6:45:00 pm (CST)
- End Time: 01/18/2018 6:54:14 pm (CST)
- Auction Closed
Item Description
Sharp, somewhat resinous, translucent, compressed rhombohedral Calcite crystals with minor associated green Malachite on black Tenorite matrix from Bisbee. Individual crystals were hard to isolated, so I measured the largest group of crystals at 2.0 cm across. Bisbee Calcites are a classic and to find pieces like this with Malachite on Tenorite are rare in my experience. It's a lovely overall specimen and would make a great addition to an Arizona suite. Ex Kay Robertson Collection (#960). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).
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