Sphalerite with Quartz and Calcite

Kangjianwan Mine, Shuikoushan ore field, Changning, Hengyang Prefecture, Hunan Province  China (2009)

Specimen size: 8.8 × 7.4 × 3.2 cm = 3.46” × 2.91” × 1.26”
Main crystal size: 1 × 1 cm = 0.39” × 0.39”