Issue link: http://resourceworld.uberflip.com/i/1207716
80°N 80°N 60°N 60°N 60°S 60°S 80°S 80°S 160°E 160°E 120°E 120°E 80°E 80°E 40°E 40°E 0° 0° 40°W 40°W 80°W 80°W 120°W 120°W 160°W 160°W 40°N 40°N 20°N 20°N 0° 0° 20°S 20°S 40°S 40°S EXPLANATION 1 2 to 3 Greater than 3 Number of mineral commodities produced that are used in mobile devices, for which a country was a leading source Leading source of mineral commodity CHILE Lithium *People's Republic of China CHINA* Germanium Graphite Indium Rare-earth elements Sand Silicon Silver Tin Tungsten CANADA Potassium AUSTRALIA Lithium Silver Tin PERU MEXICO Silver SOUTH AFRICA Platinum-group metals RWANDA Tantalum REPUBLIC OF KOREA Indium Potassium Platinum-group metals RUSSIA Sand, industrial UNITED STATES CHILE Lithium CONGO Tantalum BRAZIL Tantalum INDONESIA Tin INDIA Graphite ARGENTINA Lithium BELARUS Potassium BURMA Tin Examples of mineral commodities used in mobile devices Mineral commodity Leading global sources by decreasing tonnage in 2014 Mineral source(s) Applicable properties of the commodity Where the commodities are used in a mobile device Germanium China 1 Sphalerite Conducts electricity Battery, display, electronics and circuitry, and vibration components. Graphite China, India Graphite Resists heat, conducts electricity and heat, resists corrosion, and has a high performance-to-weight ratio Battery anodes. Indium China, Republic of Korea Sphalerite Transparent and conducts electricity Liquid crystal displays. Lithium Australia, Chile, Argentina, China Amblygonite, petalite, lepidolite, and spodumene Chemically reactive and has a high performance-to-weight ratio Battery cathodes. Platinum-group metals South Africa, Russia, Canada More than 100 different minerals Conducts electricity Circuitry, capacitors, and plating. Potassium Canada, Russia, Belarus Langbeinite, sylvite, and sylvinite Strengthens glass Screen glass. Rare-earth elements China Bastnäsite, ion adsorption clays, loparite, monazite, and xenotime Highly magnetic; blue, green, red, and yellow phosphors; and optical-quality glass LED phosphors, screens, speakers, and vibration motors. Sand, industrial China, 2 United States Silica sand Gives glass clarity Screen glass and semiconductors. Silicon China Quartz Conducts electricity Semiconductors. Silver Mexico, China, Peru Argentite and tetrahedrite Conducts electricity Circuitry. Tantalum Rwanda, Brazil, Congo (Kinshasa) Columbite and tantalite Stores electrical charge well Capacitors. Tin China, Indonesia, Burma, Peru Cassiterite Transparent and conducts electricity Liquid crystal displays and circuit board solder. Tungsten China Scheelite and wolframite Highly dense and durable for vibrator's weight component Vibrator. 1 People's Republic of China, hereinafter referred to as China. 2 China is the world's largest producer of industrial sand; however, available information is inadequate to formulate a reliable estimate of output levels. For more information, contact: Mineral Resources Program Coordinator U.S. Geological Survey 913 National Center 12201 Sunrise Valley Drive Reston, VA 20192 Phone: 703–648–6100 Email: minerals@usgs.gov Or visit the USGS Mineral Resources Program Web site at http://minerals.usgs.gov Follow us on Twitter and Instagram: @usgsminerals ISSN 2332-3531 (print) ISSN 2332-354X (online) http://dx.doi.org/10.3133/gip167 Leading sources of mineral commodities used in mobile devices