Izi ni amabuye y'ubururu ya granite akozwe mu buryo bwihariye akorerwa mu ruganda rwacu. Granite y'ubururu ifite imitsi y'amaso y'ubururu yihariye, ikomeye, idasharira kandi ikoreshwa cyane mu mitako y'imbere n'inyuma.
Byakozwe mu mabuye karemano binyuze mu buryo bwo gukata, gusya no gusiga neza, biboneka mu buryo bubiri: imiterere yoroshye kandi igororotse (imeze nk'amazi).
Bifite ubugari buhanitse kandi bufite ubuso buhebuje, ibi bice ni byiza cyane mu mitako nko gupfuka inkingi, imiterere y'inkuta igoramye, n'inkingi zimeze nk'iz'Abaroma, bigatuma biba amahitamo meza yo gukora ubwiza buhanitse kandi bugezweho mu nyubako nziza kandi zigezweho.