... used on printing ink Chrome oxide GreenAppearance: Green powderCAS NO: 1308-38-9Formula:Cr2O3 MoI ... cubic crystal system or amorphous powder, olive green, which has metallic luster. its gravity is ... 30 3.Usage It is mainly used in green grourd pave paint colorant, smelting metal chromium ... used for making sun-proof coating, abrasive, green polishing compound, refractory materials and special printing ink ...