Related by context. Frequent words. (Click for all words.) 51 terbium 51 minerals 50 Metallurgical coal 49 dysprosium 49 beryl 48 osmium 48 Niobium 47 Coking coal 47 HREE 47 tantalum 47 cobalt 47 cerium 47 Chromite 47 niobium 47 europium 46 manganese 46 REEs 46 Tantalum 46 purity silicon 46 zinc concentrates 46 group metals PGMs 46 Manganese 46 ferrovanadium 46 mineral 46 copper cobalt 46 cassiterite 46 coltan 46 rutile 45 bauxite ore 45 ferrosilicon 45 monazite 45 Ferrochrome 45 tin ore 45 rhenium 45 uranium oxide 45 metallic minerals 45 tellurium 45 cobalt nickel 44 ores 44 zircon 44 HREO 44 metal ores 44 uranium 44 ilmenite 44 Rare earth 44 Neodymium 44 metals 44 alluvial deposits 44 pounds U#O# 43 potash fertilizer 43 manganese ore 43 titanium alloys 43 magnesite 43 rare earths 43 jadeite 43 iron ores 43 coking coal 43 chrome ore 43 iron ore 43 Rare earths 43 rarer 42 fluorspar 42 magnesium 42 garnets 42 Coltan 42 nickel alloy 42 ore 42 vanadium 42 spodumene 42 sulphide minerals 41 Fossil fuels 41 pathfinder elements 41 yttrium 41 zircons 41 emeralds 41 feldspar 41 iron manganese 41 zinc copper 41 uranium ore 41 bituminous coal 41 molybdenum 41 Rough diamond 41 Magnetite 41 Birth defects 41 Iron ore 41 US# tonne [001] 41 bauxite deposits 40 rhodium 40 apatite 40 Antimony 40 UG2 40 PGMs 40 nickel ore 40 lithium 40 naturally occurring radioactive 40 super alloys 40 zinc 40 neodymium 40 minable 40 rare earth 40 #oz [003]