CASSITERITE, Zinnwald, Bohemia, now Cinvald, Czech Republic. CASSITERITE, a superb, extremely rare group of three twinned-crystals or a sixling.Zinnwald, Bohemia, now Cinvald, Czech Republic.Measures 1-3/8x1-3/8x1 inches. An exceptional. old-time group of “gun-sight” crystals with no matrix. The locality is now called Cinvald, Czech Republic. I have never seen a finer example. This specimen came to me first around 1960. I sold it at that time to Alex Mann from whom I reacquired it on March 10, 2003.
Price on request.
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Lawrence H. Conklin
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