https://www.mineralsoneyre.com/product-page/cobalt-2
Cobaltoan Dolomite, Heterogenite, Kakanda Mine, Congo | Minerals On Eyre
Size 8cm x 5cmNice bright lustrous pink crystals of cobalt rich dolomite contrast nicely with black patches of heterogenite. These random patches of black...
dolomiteminecongoeyre
https://djoyceminerals.com/product/smithsonite-var-cobaltoan/
Smithsonite (var. Cobaltoan) - D Joyce Minerals
smithsonitevarjoyceminerals