I-4-8mm amaso eglasi ekristale ityhubhu amancinci kwaye ajongana namaso, ahlala enziwe ngeglasi yekristale ekumgangatho ophezulu.Zibunjiweyo zetyhubhu kwaye zinemigangatho echanekileyo yokusikwa ukwenzela ukubengezela okukhulu kunye nokubonakalisa.La maso afumaneka ngemibala eyahlukeneyo, kubandakanywa imiphumo ecacileyo, enemibala, kunye ne-mottled, ngoko ke ifanelekile kwiiprojekthi ezahlukeneyo zobucwebe kunye nezobugcisa.