Sphalerite with Galena and Quartz

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

Specimen size: 10.5 × 7 × 5.5 cm = 4.13” × 2.76” × 2.17”
Main crystal size: 3.5 × 3 cm = 1.38” × 1.18”