Calcite with Natrolite (ex Kay Robertson Collection)

Phonolite Quarry (Richter Quarry), Hammerunterwiesenthal, Oberwiesenthal, Niederschlag-Baerenstein District, Erzgebirge, Saxony, Germany
Small Cabinet, 8.8 x 3.2 x 3.1 cm
Start Time: 05/24/2018 6:45:00 pm (CDT)
End Time: 05/31/2018 6:45:00 pm (CDT)
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Item Description

An interesting locality specimen featuring somewhat "stacked" groups of white / colorless Calcite measuring up to 2.0 cm long associated with minor Natrolite (according to the label) on Phonolite matrix. Ex Kay Robertson Collection (#5662). 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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