Related by context. Frequent words. (Click for all words.) 59 coltan 51 minerals 49 tantalum 48 Rare earth 48 cobalt 46 Tantalum 44 copper cobalt 44 ores 43 rare earths 42 REEs 41 diamonds 41 Niobium 41 mined 41 mineral 41 uranium 41 ore 41 Rare earths 41 copper nickel 40 zircon 40 manganese 40 fluorspar 40 opals 40 uranium ore 40 niobium 39 ilmenite 39 mining 39 metals 39 garnets 39 iron ore 39 rutile 38 rhenium 38 diamond 38 PGMs 38 Iron ore 38 vanadium 38 chromite 38 rare earth 38 nickel ore 38 diamonds mined 38 iron ores 37 neodymium 37 apatite 37 tanzanite 37 Magnetite 37 gold 37 alluvial diamond 37 indium 37 copper 37 smelted 37 lithium 37 moly 36 zirconium 36 mines 36 copper zinc 36 gemstone 36 Indium 36 mineral resources 36 copper cathodes 36 tungsten 36 semi precious stones 36 alluvial gold 35 potash 35 chrome ore 35 Moly 35 nonferrous 35 dolomite 35 mineralogy 35 extractive industries 35 Tungsten 35 ferro alloys 35 Germanium 35 feldspar 35 raw materials 35 #Mt [001] 35 mineral extraction 34 tellurium 34 nonferrous metals 34 magnetite 34 nickel 34 iridium 34 cerium 34 molybdenum 34 kaolin 34 rough diamonds 34 precious stones 34 gallium 34 gemstones 34 Mineweb 34 extractive 34 bauxite 34 uranium oxide 33 Fossil fuels 33 beneficiation 33 non ferrous metals 33 extractable 33 olivine 33 precious metal 33 unmined 33 prospectors 33 Nickel Copper 33 mined ore