Tetrahedrite with Chalcopyrite (classic material) (ex Kay Robertson Collection)

Daly-Judge Mine, Park City District, Wasatch Mts, Summit County, Utah
Small Cabinet, 6.6 x 5.3 x 4.3 cm
Start Time: 06/07/2018 6:45:00 pm (CDT)
End Time: 06/14/2018 6:45:00 pm (CDT)
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Item Description

An aesthetic and eye-catching specimen featuring classic, sharp crystals of silvery-grey Tetrahedrite measuring up to 1.2 cm associated with slightly iridescent golden Chalcopyrite crystals on matrix. Classic locality combo from this old-time, defunct locality. Great shape all around, and very attractive for the material. Valued at $750. Ex Kay Robertson Collection (#7496). 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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