Hemimorphite (classic Utah) Robertson Coll.

1800' Level, Hidden Treasure Mine, Ophir District, Tooele Co., Utah
Small Cabinet, 6.4 x 4.1 x 2.5 cm
Start Time: 04/26/2018 6:30:00 pm (CDT)
End Time: 05/03/2018 6:30:00 pm (CDT)
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Item Description

Scintillating spherical aggregates of glassy gray hemimorphite blades cover the limonite matrix on this very rich and showy small cabinet from this old aptly named Utah Pb-Ag-Cu-Zn mine. Ex Kay Robertson Collection # 12754 and acquired from Scott Williams. 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). This is a rich, excellent and typical example of the species from this locale. It must have been a significant find, as even the mine level is known.

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