Mineral: Arsenopyrite on Ferberite
Locality: Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
Dimensions: 11.0 x 7.0 x 10.5 cm

Description: Main crystal size: 8.4 cm Brilliant, silvery, polysynthetic prism in the shape of a triangle on a black gangue of ferberite MIM number 301 Photographer: AINU / Augustin de Valence

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