Copper ("Spinel" Twins) (ex Kay Robertson Collection)

Ray Mine, Scott Mountain area, Mineral Creek District, Dripping Spring Mts, Pinal County, Arizona
Small Cabinet, 5.7 x 1.1 x 1.0 cm
Start Time: 09/13/2018 6:45:00 pm (CDT)
End Time: 09/20/2018 6:49:28 pm (CDT)
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Item Description

Crystallized Coppers are beloved from the famous Ray Mine in Arizona. This piece is a wonderful example of the classic material featuring a sculptural Spinel-twinned crystal group of Copper forming a somewhat "spear"-shaped display specimen. The crystals are notably sharp and well-formed. The piece looks great under magnification and would make a great addition to any native elements suite or an Arizona mineral collection. Ex Kay Robertson Collection (#9820). 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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