Gusaba: Ikoreshwa cyane mubikoresho bya chimique, minerval (cyane cyane ikoreshwa mubyiciro bitarimo amabuye y'agaciro, nka calcium karubone, kaolin quartz, talc, mika, nibindi), metallurgie, abrasive, ceramics, ibikoresho bitangiza umuriro, imiti, imiti yica udukoko, ibiryo, ubuzima ibikoresho, n'inganda nshya.