Milarite & Quartz (classic, old Mexico) Kay Robertson Coll.

Valenciana Mine, Guanajuato, Guanajuato, Mexico
Thumbnail, 2.5 x 1.6 x 1.5 cm
Start Time: 03/07/2019 6:30:00 pm (CST)
End Time: 03/14/2019 6:30:00 pm (CDT)
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Item Description

Glassy, hexagonal, yellow-green milarite crystals are scattered on the cute mounded 360-degree thumbnail matrix of quartz points and adularia (K-feldspar) variety Valencianite crystals (namesake locality). Milarite is a rare hydrated complex Be-silicate. Ex Kay Robertson Collection # 8386 and acquired from the Lidstrom's at the 1977 MSSC Show. 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). Classic and excellent combination material from this famous and historic silver mine.

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