Anhydrite (purple) (ex Kay Robertson Collection)

Gotthard Road Tunnel, Central St Gotthard Massif, Leventina, Ticino, Switzerland
Toenail, 3.0 x 1.7 x 1.7 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

Swiss Anhydrites are beloved by Alpine collectors as they are some of the most colorful, gemmy and elusive examples of the species extant. This piece is a good reference specimen of the famous material from the Gotthard Tunnel featuring light purple colored, gemmy, lustrous prismatic crystals of Anhydrite sitting on gneiss matrix. Ex Kay Robertson Collection (#10554). 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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