Calcite, Quartz, Pyrite - Baimashan tunnel (construction site), China - 4,5 x 4,5 cm
Mineral: Calcite, Quartz, Pyrite
Locality: Baimashan tunnel (construction site), Qianbaxia, Wuyishan, Nanping Prefecture, Fujian Province, China
Dimensions: 4,5 x 4,5 cm

Description: Brown prismatic, naturally etched Calcite on Quartz.