Pyrrhotite with Pyrite, Quartz and Sphalerite

Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai  Russia

Specimen size: 9.2 × 6.5 × 6.2 cm = 3.62” × 2.56” × 2.44”
Main crystal size: 4.7 × 3.5 cm = 1.85” × 1.38”