Sphalerite with Quartz

Příbram, Central Bohemia Region, Bohemia  Czech Republic (±1960)

Specimen size: 9 × 8.6 × 3.7 cm = 3.54” × 3.39” × 1.46”
Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”