Helvine-Genthelvite, Quartz and Calcite

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

Specimen size: 7.5 × 5.2 × 3.7 cm = 2.95” × 2.05” × 1.46”
Main crystal size: 1.5 × 1.3 cm = 0.59” × 0.51”