I-Garnet, ebizwa ngokuthi ziyawu noma ziyawu eShayina yasendulo, iqoqo lamaminerali asetshenziswe njengamatshe ayigugu kanye nama-abrasives esikhathini sethusi.I-garnet evamile ibomvu.I-Garnet English elithi “garnet” livela kwelesiLatini elithi “granatus” (okusanhlamvu), elingase livele kwelithi “Punica granatum” (ipomegranati).Kuyisitshalo esinembewu ebomvu, futhi ukuma kwaso, ubukhulu nombala kufana namanye amakristalu e-garnet.
Isafire ephuzi yaziwa nangokuthi itopazi ebhizinisini.Izinhlobonhlobo ze-corundum yezinga eliyigugu eliphuzi.Umbala uhluka ukusuka kophuzi ngokukhanyayo kuye kophuzi e-canary, ophuzi osagolide, ophuzi wezinyosi nophuzi onsundu ngokukhanyayo, okuphuzi okusagolide kube kuhle kakhulu.Okuphuzi ngokuvamile kuhlotshaniswa nokuba khona kwe-iron oxide.