KazCopp04 - Native Copper - Itauz Mine, Dzezkazgan Oblast', Kazakhstan

Extraordinarily long spinel twin of native copper - the largest single spinel twin of copper I've seen. There is a secondary crystallization of fine, modified crystals along the spine of the twin. An important specimen from this well-known locality. From the late 2007 find. Photographs by Joe Budd. 17.5 x 0.8 x 0.8 cm.