wolframite, tantalite, bisie, coltan, tantalum, minerals, tanzanite, ores, cobalt, columbite, mines, nepheline, molybdenite, chromite, drc, pyrites, pyrochlore, lithium oxide, bauxite, spodumene, haematite, rutile, likasi, alluvial, colluvium, eluvial, praseodymium, stibnite, pyrargyrite, wollastonite, azurite, ilmenite, barite, copper, allanite, galena, electrum, ferrochromium, katanga, arsenopyrite, manganese, bornite, diamonds, chrysocolla, magnetite, flitches, safrole, copper belt, bastnasite, kyanite, niobium, bastnaesite, diopside, mineral resources, arenite, kivu, iron ore, tetrahedrite, chalcopyrite, cherty, gemstone, fluorspar, sphalerite, gossan, rare earth, pentoxide, vanadium pentoxide, tsavorite, pyrophyllite, limonite, uranium, cashew nut, covellite, cocoa, epidote, carnotite, amphibole, unwrought, orpiment, pyrrhotite, cassava starch, garnets, barium sulphate, scheelite, argentite, tremolite, kananga, ferromanganese, molybdenum, chalcocite, sudd, hypogene, cuprite, gum arabic, chrysotile, pentlandite, mealie meal, gravels, realgar, ivory, zircon, alunite, pyrite, calcite, hematite, quartz, apatite, chlorite, hornblende, anhydrite, gypsum, ore, tourmaline, olivine, pyroxene, biotite, pegmatitic, lenticular, monoclinic, cinnabar, coarsely, cryptocrystalline, dolomite, feldspar, fissure, fragmental, glycogen, hyaline

atomic number 50, sn, tin

mineral