Kimwe mu byiza byingenzi bya Bruce Gray marble ni ukuboneka muburyo bubiri butandukanye - horizontal na twill. Igishushanyo cya horizontal gitanga isura gakondo kandi isanzwe, isohora ubwiza nigihe cyigihe. Kurundi ruhande, igishushanyo cya twill gitanga icyerekezo kigezweho kandi kigezweho, cyuzuye kubashaka icyerekezo cyiza cyiza. Hamwe naya mahitamo, urashobora gushakisha imbaraga zuburyo bujyanye nuburyohe bwawe kandi bwuzuza imitako yawe iriho.
Usibye ubwiza budasanzwe, Bruce Gray marble ifite igiciro cyiza kidasanzwe. Ibi bituma ihitamo ikiguzi haba mumishinga yo murugo no mumahanga. Waba uri umushinga w'imbere ukora umushinga wo guturamo cyangwa rwiyemezamirimo ushaka isoko ya marble kugirango iterambere rinini ryubucuruzi, Bruce Gray atanga amahirwe meza yo gushiraho ahantu heza utarangije banki.
Ntabwo Bruce Gray marble itanga ubwiza kandi buhendutse, ariko kandi iremeza kuramba no kuramba. Yakozwe kugirango ihangane nikizamini cyigihe, iyi marble nziza yo hejuru yubatswe kugirango irwanye ibishushanyo, irangi, nibindi byangiritse bisanzwe. Kamere yacyo ikomeye iremeza ko igishoro cyawe kizakomeza kumurika mumyaka iri imbere, bishimangira igitekerezo cyuko Bruce Gray nigiciro cyiza cyo guhitamo amafaranga.