This datolite on quartz is from the Bor Pit in Dal’negorsk, Kavalerovo Ming district, Primorskiy Kray, Far Eastern Russia. This region contains nine known deposits in which 190 minerals can be found including datolte, It is a silicate that contains the elements Ca, B, Si, O and H. This specimen consists of a mix of quartz crystals, with interference growth, and datolite crystals. The quartz have multiple terminations and habits that include prismatic and tabular. There are no apparent traces of the mineral that caused the interference growth. The quartz hosts euhedral datolite crystals on all sides. They are translucent to transparent and have a pale mint green color (hard to photo). They are quite gem-like and a bright glass luster. This piece is a small cabinet and it measures 2 1/4 x 2 x 1 5/8 inches or 57 x 50 x 41 mm.