Mineral: Calcite
Locality: Nanjing Prefecture, Jiangsu Province, China
Dimensions: 7.0x 7.0 x 16.5 cm

Description: Main crystal size: 12.6 cm Single crystal in the form of hexagonal quartz with internal cleavage, pointy termination and a small cleavage point on the terminal face MIM number 302 Photographer: AINU / Augustin de Valence

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