Arsenopyrite with Quartz

Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province  China

Specimen size: 3.1 × 2.7 × 3.1 cm = 1.22” × 1.06” × 1.22”
Main crystal size: 2.1 × 1.2 cm = 0.83” × 0.47”