Quartz with inclusions, Magnetite and Calcite

Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2014)

Specimen size: 15.5 × 7.1 × 4.6 cm = 6.1” × 2.8” × 1.8”
Main crystal size: 7.1 × 1.6 cm = 2.8” × 0.6”