... , corrosion. 3.High stability. 4.made in shandong Country of Origin: Australia, Indonesia, South Africa etc1,Specification Granularity : ... and quantity of impurities, resulting in dyed yellow, orange, red, brown and other colors, hardness 7.8, specific gravity 4.6 ... and enamelware producing, in addition, also used in the production of glass, metal (spongeZr) and zirconium compounds (zirconium dioxide, ...