... every flakes are transparent , like thin glass chips;(3)bright pure white, no impurities;(4)high radius-thickness ratio, smooth surface ... ;(5)no radioactivity, no heavy metal, safe in cosmetics ect.;(6)excellent ... the companyContact us : Name: Chuanhong Chemical Co. Ltd Address: No.3, Qinglong Raod, Pengshan Economic Zone, Sichuan Province,P.R.China ...