Quartz (Dauphine Twin) (ex Kay Robertson Collection)

Item Description

A superb, sharp, very lustrous, GEM / gemmy, colorless prismatic crystal of Dauphine twinned crystal of Quartz from the famous locality at Horni Slavkov (Schlaggenwald). The crystal has a red arrow taped to the back to show the twin line. Great condition all around and very attractive from the standpoint of morphology. Ex Kay Robertson Collection (#5571). 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 Velt" November-December 2017). A great example of this classic material from this famous locality. Valued at $300-$350.