Mineral: Stannite on Quartz
Locality: Lianzhou City (Lianxian), Qingyuan Prefecture, Guangdong Province, China
Dimensions: 16.5 x 8.5 x 9.5 cm / main crystal: 1.9 cm.

Description: Mass: 710 g MIM number:2172 Beautiful mound formed of white quartz needles sprinkled with over a dozen very well formed lustrous black stannite crystals. Stannite crystallizations are rare: sphenohedra (tetragonal tetrahedra), disphenohedra or pseudo-octahedra (which is the case in this sample). Photographer: Malte Sickinger

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