Calcite, Pyrite - Wuyi tunnel north (construction site), China - 14 x 12 cm
Mineral: Calcite, Pyrite
Locality: Wuyi tunnel north (construction site), Wuyishan, Nanping Prefecture, Fujian Province, China
Dimensions: 14 x 12 cm

Description: The smaller scalenohedrons have small Pyrites incorporated, and show a thin second phase of growth. The large, slightly damaged crystal measures 9 cm.