Niobium ndi chitsulo chofewa, chotuwa, cha crystalline, chomwe chimakhala ndi malo osungunuka kwambiri ndipo sichichita dzimbiri.Malo ake osungunuka ndi 2468 ℃ ndi malo otentha 4742 ℃.Iwo
Ili ndi malowedwe akulu kwambiri a maginito kuposa zinthu zina zilizonse ndipo ilinso ndi mphamvu zokulirapo, komanso gawo lotsika la ma neutroni otenthetsera.Zinthu zapaderazi zimapangitsa kuti zikhale zothandiza muzitsulo zapamwamba zomwe zimagwiritsidwa ntchito popanga zitsulo, zakuthambo, zomanga zombo, nyukiliya, zamagetsi, ndi mafakitale azachipatala.