Garnetndi mankhwala achilengedwe okhala ndi zitsulo zopanda poizoni, zopanda poizoni ndi silika wa crystalline.Amagwiritsidwa ntchito makamaka ngatikuphulika abrasives, fyuluta sing'angandi zina zotero.
Mikanda yagalasiamapangidwa ndi olimba ozungulira koloko laimu galasi ndi chifukwa khola mankhwala katundu, durability, kusinthasintha, ndi multifaceted ndi zofala ntchito TV.Amagwiritsidwa ntchito makamaka pophulitsa mchenga, kuyeretsa ndi kupera.