cobalt-blue spinel钴蓝尖晶石
guaranteed cobalt-blue kiln包青窑
cobalt blue nano-powder纳米钴蓝
N（名词） any greenish-blue pigment containing cobalt aluminate, usually made by heating cobaltous sulphate, aluminium oxide, and phosphoric acid together 钴蓝 (Also called Thénard's blue)
（） →see cobalt