Cobaltoan Smithsonite From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia
Large fully terminated crystals of cobaltoan Smithonsite crystals in a intergrown rhombic formation on matrix partially coated with duftite and tabular quartz crystals. The crystal faces are highly reflective with great transparency. The pink color is due to cobalt impurities.
1.35 lbs, 5 x 3 x 4 inches