Sphalerite with Quartz and Siderite

Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai  Russia

Specimen size: 5.2 × 4.4 × 3.4 cm = 2.05” × 1.73” × 1.34”
Main crystal size: 3.1 × 2.2 cm = 1.22” × 0.87”