... is cubic crystal system or amorphous powder, olive green, which has metallic luster. its gravity is 5 ... 4,000ºC. It can not dissolve in water and acidic solution, but it can dissolve in ... <0.001Water-Soluble Substance %≤0.300.30 3.Usage It is mainly used in green grourd pave paint ... also used for making sun-proof coating, abrasive, green polishing compound, refractory materials and special printing ink ...