32 EXPOR T S and TRADE Select ed US Miner al Mat erials Rank ed b y Net Impor t R elianc e 20 18 C ommodit y P er c ent Major Sour c es Ar senic T rio xide 100 Mor oc c o C hina Belgium Asbest os 100 Br azil Rus sia C esium 100 Canada F luor spar 100 Me xic o V ietnam South A frica C hina Gallium 100 C hina Unit ed King dom German y Ukr aine Gr aphit e Natur al 100 C hina Me xic o Canada Br azil Indium 100 C hina Canada S K or ea T aiw an Mang anese 100 South A frica Gabon A ustr alia Geor gia Mica Sheet Natur al 100 C hina Br azil Belgium A ustria Nepheline S y enit e 100 Canada Niobium C olumbium 100 Br azil Canada Rus sia German y Rar e Ear ths C ompounds Metals 100 C hina Est onia F r anc e Japan Rubidium 100 Canada Scandium 100 Eur ope C hina Japan Rus sia Str ontium 100 Me xic o German y C hina T antalum 100 Br azil R w anda A ustr alia C ong o T horium 100 India Unit ed King dom V anadium 100 A ustria Canada S K or ea Rus sia Gemst ones 99 India Isr ael Belgium South A frica Bismuth 96 C hina Belgium Me xic o S K or ea Y ttrium 95 C hina Est onia Japan S K or ea P otash 92 Canada Rus sia Belarus Isr ael T itanium Miner al C onc entr at es 91 South A frica A ustr alia Canada Mo z ambique Diamond Dust Grit P o w der 89 C hina Ir eland S K or ea R omania Antimon y Oxide 85 C hina T hailand Belgium Bolivia Zinc 85 Canada Me xic o P eru A ustr alia Barit e 84 C hina India Me xic o Mor oc c o Rhenium 84 C hile German y Belgium P oland St one Dimension 82 Br azil C hina Italy T urk e y Ti n 78 Indonesia Mala y sia P eru Bolivia Abr asiv es F used Al Oxide Crude 76 5 C hina F r anc e Hong K ong Canada Abr asiv es Silic on Carbide Crude 75 C hina Netherlands South A frica R omania Bauxit e 75 Jamaica Br azil Guinea Guy ana T ellurium 75 Canada C hina German y T itanium Spong e 75 Japan Kaz akhstan Ukr aine C hina Platinum 73 South A frica German y Unit ed King dom Italy C hr omium 71 South A frica Kaz akhstan Rus sia P eat 70 Canada Garnet Industrial 68 A ustr alia India South A frica C hina Silv er 65 Me xic o Canada P eru S K or ea C obalt 61 Norw a y C hina Japan F inland Nick el 52 Canada Norw a y A ustr alia Rus sia Germanium 50 C hina Belgium German y Rus sia Iodine 50 C hile Japan Ir on Oxide P igments Natur al 50 C yprus Spain F r anc e A ustria Ir on Oxide P igments S ynthetic 50 C hina German y Br azil Canada Lithium 50 Ar g entina C hile C hina Rus sia T ungst en 50 C hina Bolivia German y Canada Aluminum 50 Canada Rus sia Unit ed Ar ab Emir at es C hina US GS Miner als C ommodit y Summaries 20 19