Pyrrhotite with Calcite and Quartz

Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai  Russia

Specimen size: 10.2 × 6.7 × 6.6 cm = 4.02” × 2.64” × 2.60”
Main crystal size: 5 × 4 cm = 1.97” × 1.57”