tungsten, molybdenum, niobium, zircon, vanadium, manganese, tantalum, copper, ilmenite, zinc, indium, rhodium, chromite, wolframite, wollastonite, ores, bismuth, tantalite, lithium oxide, moly, nepheline, mineral, rutile, spodumene, pyrochlore, apatite, kyanite, praseodymium, magnetite, feldspar, spinel, pentoxide, uranium, scheelite, oxides, rare earth, yttrium, dysprosium, vanadium pentoxide, metals, hematite, iridium, fluorite, sulfide, fluorspar, rhenium, tellurium, smoky quartz, ferrochromium, barium sulphate, lithium, zirconium, copper oxide, metalloid, gallium, samarium, calcium fluoride, cerium, quartz, pyrites, pyrope, bastnasite, superalloy, talc, beryl, diopside, aluminosilicate, trioxide, amphibole, europium, malachite, hydroxides, plagioclase, antimony, covellite, corundum, molybdenite, lutetium, phosphorite, marcasite, osmium, sinter, cassiterite, precious metal, bastnaesite, smelting, ferromanganese, telluride, haematite, nickel, allanite, gangue, magnesite, smithsonite, thenardite, aluminous, stibnite, supergene, leucoxene, columbium, nickel alloy, calcium sulphate, cadmium, chromium, magnesium, arsenic, phosphorus, selenium, aluminum, aluminium, iron, mercury, titanium, sulphur, beryllium, chrome, barium, ferrous, lead, boron, strontium

cobalt 60

alnico, blue tit, carboloy, cerulean blue, cobaltite, cobalt 60, cobalt bloom, cobalt blue, cobalt ultramarine, erythrite, ferromagnetism, parochetus communis, parus caeruleus, shamrock pea, smaltite, stellite, tomtit

metal, metallic element

atomic number 27, co