Sphalerite with Quartz and Dolomite from Dalnegorsk, Primorskiy Kray, Russia

 from Dalnegorsk, Primorskiy Kray, Russia

Large cabinet specimen of a sparkling cluster of highly lustrous jet black sphalerite crystals in aggregates with rhombic dolomite crystals over small gray-brown quartz crystals atop limestone.

11.2 lbs, 11 x 9.5 x 5 inches