Matsakaicin narkewa na niobium shine 2468 Dc, kuma yawansa shine 8.6 g/cm3. Tare da halayen juriya na lalata, juriya mai zafi da rashin ƙarfi, niobium ana amfani dashi sosai a cikin masana'antar lantarki, masana'antar ƙarfe, masana'antar sinadarai, masana'antar gani, masana'antar gemstone, fasaha mai ƙarfi, sararin samaniya. fasaha da sauran fannoni. Niobium takardar da bututu/bututu shine mafi yawan nau'in samfurin Nb.