Crystal mosaic yog ib qho mosaic ntawm ntau yam qauv thiab cov lus qhia tshwj xeeb ua los ntawm lub siab dawb paug iav tom qab kub kub reprocessing.Tsis muaj tshuaj lom, tsis muaj xov tooj cua, alkali tsis kam, acid tsis kam, kub tsis kam, hnav tsis kam, tsis muaj dej, siab hardness, tsis muaj fading thiab lwm yam....
Nyeem ntxiv