Calcite from Dalnegorsk, Russia DS2568 wavellite known for its sharp crystal

known for its sharp crystal form

It ranks 7 on the Mohs scale of hardness

Weight: 141

was once home to one of the most significant copper mining districts in the United States

This material has historical significance for its use in sighting equipment for bombardiers and gunners during wartime

Calcite from Dalnegorsk, Russia DS2568 wavellite known for its sharp crystalCalcite from Dalnegorsk, Russia Approx. Dimensions: 3. 5x2. 75x1. 75 inches Approx. Weight: 159 grams Locality: Vtoroy Sovetskiy Mine, Dalnegorsk, Primorskiy Kray, Russia This is a unique formation of calcite from the Vtoroy Sovetskiy Mine in Dalnegorsk, Russia