Sphalerite with Calcite and Quartz

Nikolaevski Mine, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Far-Eastern Region  Russia

Specimen size: 3 × 2.6 × 2.4 cm = 1.18” × 1.02” × 0.94”
Main crystal size: 2.6 × 2.4 cm = 1.02” × 0.94”