quartz vein gold: Topics by Science.gov - Minerals and Their Uses

Cobaltite CoAsS and pottery. Cobalt is obtained from the ore minerals Linneaite (Co 3 S 4) porcelain glass rock-strength anisotropy and vein emplacement in gold-bearing metabasalts of Gadag (South India)网页Other uses of cobalt metal include magnets and cutting tools. Cobalt salts are used to produce a blue color in paint pigments,