Calcite, Pyrite, Quartz - Baimashan tunnel (construction site), China - 11 x 7 cm
Mineral: Calcite, Pyrite, Quartz
Locality: Baimashan tunnel (construction site), Qianbaxia, Wuyishan, Nanping Prefecture, Fujian Province, China
Dimensions: 11 x 7 cm

Description: Detail: Tiny pyrites on blocky calcites on small quartz crystals.