Datolite with Quartz

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

Specimen size: 7.4 × 4.4 × 4.2 cm = 2.91” × 1.73” × 1.65”
Main crystal size: 4.2 × 3.2 cm = 1.65” × 1.26”