niobium Definition

nb, atomic number 41, tantalum, zirconium, titanium, molybdenum, vanadium, niobic, niobous, cobalt, indium, niobite, pyrochlore, ilmenium, euxenite, chromite, eschynite, dysprosium, moly, praseodymium, vanadium pentoxide, pelopium, metallic element, nickel alloy, lithium, rare earth, wollastonite, rhenium, ilmenite, zircon, tungsten, uranium, bismuth, spodumene, tellurium, magnetite, fergusonite, lithium oxide, tantalite, wolframite, stibnite, copper, samarium, leucoxene, gallium, rutile, sylvite, molybdenite, fluorspar, pyrope, pegmatite, mineral, feldspar, scheelite, copper oxide, ores, pentoxide, atomic number, tantalic, alum shale, oxide, olivine, diopside, tantalous, nickel, bastnasite, hematite, thorianite, diamondiferous, haematite, sulfide, carnallite, apatite, covellite, adularia, lanthanite, thortveitite, hypabyssal, spinel, telluride, antimony, eclogite, yttrium, potash, decipium, cordierite, skutterudite, eluvial, amphibole, metallogenic, molybdite, limonite, tetradymite, tungstite, argentiferous, menaccanite, kimberlite, amphibolite, ytterbite, molybdic,