columbium Definition

tantalum, unalloyed, 93, praseodymium, columbite, lutetium, bastnasite, holmium, lanthanide, vanadium pentoxide, carbides, aluminosilicate, corundum, tungstate, ferrochromium, pearlite, cementite, spinel, pyrites, pyrochlore, cadmium sulfide, pentoxide, leucoxene, calcium fluoride, diopside, nickel alloy, wollastonite, iron carbide, yttrium oxide, superalloy, calcium sulphate, cordierite, pyroxene, iron pyrites, austenitic, lepidolite, titanate, amphibole, pyrope, zirconium dioxide, kyanite, permanganate, arsenide, ceria, cherty, thiosulfate, gelation, aluminous, calcination, dichromate, europium, alloying, reductant, resorcinol, carbonyl, potassium sulphate, zirconium oxide, zns, ferric oxide, samarium, orpiment, potassium sulfate, magnesium hydroxide, alkali metal, feldspars, epidote, covellite, austenitic stainless steel, hydroxide, humic, anatase, niobate, crystallites, mgo, molecular sieve, halides, schistose, albite, spodumene, divalent, pyrophyllite, butylene, montmorillonite, nitrogenous, allotrope, boron trifluoride, sodium sulphate, allanite, polyacrylonitrile, carbene, ferro, ferromanganese, smithsonite, cyclohexane, activated carbon, borane, steatite, inconel, dolomites, kaolinite,