1, white powder / granules available 2, Advanced techniquic ceramic industry 3, Zirconium silicate ISO, SGS, BV approved Introduction:Zirconium silicate, also zirconium orthosilicate, (ZrSiO4) is a chemical compound, a silicate of zirconium. It occurs in nature as the zircon, a silicate mineral. Applications:1) Cream-white, it used as opacifier for wall bircks, floor tile, sanitary ceramic, ...