Pearlescent pigments yog cov xim tshwj xeeb, thaum cov xim no tau them nrog cov xim hlau oxide tawm ntawm mica daim.Cov pigments no muaj lub ntsej muag zoo nkauj, lub dav hlau smoother thiab ntau dua refractive co-efficient dua li lwm cov pigments.
Kub luster mica hmoov Los ntawm kev tswj lub thickness ntawm titanium dioxide thiab hlau oxide precisely, nws nthuav cov xim txawv kub