Quartz (variety smoky Quartz), Calcite - Baimashan tunnel (construction site), China - 2 x 1,5 cm
Mineral: Quartz (variety smoky Quartz), Calcite
Locality: Baimashan tunnel (construction site), Qianbaxia, Wuyishan, Nanping Prefecture, Fujian Province, China
Dimensions: 2 x 1,5 cm

Description: Calcite on grey smoky Quartz.