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Cassiterite on Muscovite, Bao Feng Wu Mine, Sichuan Province, China, Kalaskie Collection #206, Medium Cabinet 6.0 x 11.0 x 12.0 cm, $1200. Online 3/1


  • $ 1,20000

 Group of very lustrous, black 'Clam shell' twinned cassiterite crystals, to 3.5 cm, on silvery/gray muscovite matrix. A very fine quality and rich cassiterite specimen in excellent condition. Mined ca. 2000's. Betty Kalaskie Collection #206: purchased 2014.