Malachite coating Quartz (rare combo) van Tichelen & Robertson Coll.

Clara Mine, Oberwolfach, Black Forest, Baden-Wurttemberg, Germany
Small Cabinet, 6.8 x 5.0 x 4.5 cm
Start Time: 01/12/2018 6:45:00 pm (CST)
End Time: 01/18/2018 6:30:00 pm (CST)
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Item Description

An amazingly colorful, sculptural and rare combination from this historic poly-metallic baryte-fluorite mine, opened in 1726. Pretty mint-green malachite preferentially coats pyramidal iron-stained quartz crystals, to 5 mm. The MINDAT malachite photo gallery for the Clara Mine, has nothing that resembles this lovely combination, making it a rarity. Ex Kay Robertson Collection # 5441. 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). Formerly in the Wouter Van Tichelen Collection.

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