Datolite with Quartz

Bor Pit, Dalnegorsk B deposit, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai  Russia

Specimen size: 14.3 × 12.5 × 7.2 cm = 5.63” × 4.92” × 2.83”
Main crystal size: 6.5 × 4.5 cm = 2.56” × 1.77”