“6.2 x 3.4 x 3.1 cm. A very rarely seen example of white radial wavellite on green pseudomalachite on host rock matrix from the Tyrone Mine in New Mexico. Ex Kay Robertson Collection (#9985). 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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Robert Lavinsky - 5th December 2017