boron, cerium, lithium oxide, hafnium, tellurium, praseodymium, aluminum oxide, oxides, nickel alloy, zirconium oxide, dihydrogen, telluride, iridium, indium, vanadium, ceria, zns, magnesium, superalloy, fluorine, europium, pyrites, borate, lutetium, feldspar, carbides, titanium oxide, tantalum, alloy, rhenium, germanium, graphite, aluminosilicate, spinel, spodumene, silicate, pentoxide, samarium, dysprosium, rhodium, cordierite, yttrium oxide, copper oxide, polybutadiene, lanthanide, gallium, zirconium dioxide, cobalt, silica, calcium fluoride, mgo, hydroxides, hydrides, magnesium hydroxide, nitride, californium, selenide, zinc oxide, actinide, bismuth, kaolinite, formate, yttrium, inconel, ferric oxide, alkali, osmium, boron nitride, cathodes, titanate, zeolites, trioxide, calcium sulphate, fluorapatite, terbium, barium sulphate, zno, arsenide, boron carbide, corundum, ruthenium, potassium carbonate, alkali metal, ferrochromium, niobium, kyanite, dioxide, sodium sulphate, anhydride, silicon carbide, tetroxide, zircon, olivine, enargite, moly, molybdenum, cherty, crystallites, barium sulfate, aluminate, plagioclase, apatite, thorium, titanium, beryllium, tungsten, uranium, manganese, silicon, aluminium, antimony, nickel, selenium, zinc, alumina, carbide, chromium, iodine, aluminum, plutonium, copper, ferro, barium, chrome, tetravalent

atomic number 72, baddeleyite, hafnium, hf, zircon, zirconium silicate

metal, metallic element

atomic number 40, zr