Cov tshuaj muaj pes tsawg leeg ntawm ntuj corundum yog alumina, uas yog tsim nyob rau hauv South Africa, thiab yog siv los polish thiab grind iav. Emery kuj yog ib daim ntawv ntuj ntawm alumina. Feem ntau hais lus, nws tsis yog ntshiab li corundum. Nws yog tsuas yog tsim nyob rau hauv tim Nkij teb chaws thiab Qaib Cov Txwv. Nws feem ntau yog siv los ua daim ntaub emery lossis sandpaper.
Garnet abrasives yog siv rau sandblasting, waterjet txiav, manufacturing coated abrasives, lim cov ntaub ntawv, hnav-resistant pem teb aggregates, thiab lwm yam, thiab feem ntau yog siv nyob rau hauv hardware, steel, casting, ceramic, aluminium, ntoo, thiab tawv industries. Flint feem ntau yog siv los ua cov ntawv xuab zeb. Quartz yog cov khoom siv sib tsoo thaum ntxov, thiab nws tseem siv los ua cov cuab yeej thiab txheej txheem iav. Pumice los ntawm volcanoes thiab yog cov khoom siv raw rau kev ua polishing hmoov. Diatomaceous ntiaj teb yog cov khoom ntawm polishing hmoov thiab roj pob zeb. Lwm yam ntuj abrasives muaj xws li talc, silica, feldspar, chert thiab chalk.