Sphalerite with Calcite, Quartz, Arsenopyrite and Sphalerite

Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region  China (2016)

Specimen size: 8.4 × 5.4 × 3.2 cm = 3.31” × 2.13” × 1.26”
Main crystal size: 1.7 × 1.6 cm = 0.67” × 0.63”