rarrabuwa, tsaftacewa, maganin acid, narkewar zafin jiki mai zafi, murƙushe matsakaici, niƙa mai kyau, grading, cire baƙin ƙarfe da sauran su.
matakai, wanda ya dace da bukatun amfani.
Quartz foda an raba shi ne kawai zuwa ƙayyadaddun bayanai. Saboda yawan farinsa, babu datti da ƙarancin ƙarfe, yana da a
fadi da kewayon aikace-aikace.