Mineral: Cassiterite
Locality: Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province, China
Dimensions: 88.0 x 65.0 x 45.0 mm

Description: A highly lustrous black Cassiterite twin measuring 50 x 45 x 27 mm is perched atop a matrix of Muscovite blades, to 22 mm across. This specimen is of top quality, and is in pristine condition.

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