Helvine-Genthelvite with Calcite and Magnetite

Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region  China (2012)

Specimen size: 4.2 × 2.8 × 3.7 cm = 1.65” × 1.10” × 1.46”
Main crystal size: 0.8 × 0.5 cm = 0.31” × 0.20”