Datolite, Quartz

Bor Pit, Dalnegorsk B deposit, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai  Russia (2001)

Specimen size: 5.5 × 4.3 × 3.5 cm = 2.17”
Main crystal size: 1.7 × 1.6 cm = 0.67”