Bertrandite with Quartz (variety smoky) and Pyrite

Kara-Oba, Betpak-Dala (Bet-Pak-Dala) Desert, Karaganda Region  Kazakhstan (1985-1990)

Specimen size: 24 × 20 × 14 cm = 9.45” × 7.87” × 5.51”
Main crystal size: 1 × 0.4 cm = 0.39” × 0.16”