Rapier, Robert. “The World's Top Lithium Producers.” Forbes, Forbes Magazine, 14 Dec. 2020, www.forbes.com/sites/rrapier/2020/12/13/the-worlds-top-lithium-producers/?sh=57e8bd2c5bc6.
Garside, M. “Largest Producer of Copper in the World 2020.” Statista, 16 Feb. 2021, www.statista.com/statistics/264626/copper-production-by-country/.
Sousa, Gregory. “Top 15 Quartz Exporting Countries.” WorldAtlas, WorldAtlas, 25 Apr. 2017, www.worldatlas.com/articles/top-15-quartz-exporting-countries.html.
Mundy, Dorothy. “How Tantalum Is Mined.” Sciencing, 2 Mar. 2019, sciencing.com/tantalum-mined-6136148.html.
“A World of Minerals in Your Mobile Device.” USGS, Mineral Resources Program Coordinator , pubs.usgs.gov/gip/0167/gip167.pdf.
McKenzie, Eleanor. “How Is Quartz Extracted?” Sciencing, 2 Mar. 2019, sciencing.com/quartz-extracted-8700692.html.
Canada, Impact Assessment Agency of. “Whabouchi Mining Project.” Canada.ca, 1 Mar. 2019, www.ceaa-acee.gc.ca/050/evaluations/proj/80021?culture=en-CA.
Harder, Jeff. “What's the Difference between Quartz and Liquid Crystal?” HowStuffWorks, HowStuffWorks, 11 July 2012, electronics.howstuffworks.com/gadgets/clocks-watches/difference-between-quartz-and-liquid-crystal.htm#:~:text=Quartz%20crystals%20are%20also%20a,pressure%20is%20exerted%20upon%20it.
“Why Copper Is Used to Make Electrical Wires.” Monroe Engineering, 4 Apr. 2019, monroeengineering.com/blog/why-copper-is-used-to-make-electrical-wires/.
Map, oma.on.ca/en/ontariomining/Map.asp.
Machinery, Whirlston Copper Recycling. “Copper in Cars, Copper Properties and Uses, Recycling Cars.” Wire Stripper Machine and Cable Granulator Manufacturer in China, 17 Nov. 2017, copper-recycle.com/news/copper_wire/Copper-Properties-and-Uses-in-Cars.html.
“Supporting Conflict-Free Tungsten in Rwanda.” Fairphone, 20 Oct. 2016, www.fairphone.com/en/2016/01/13/supporting-conflict-free-tungsten-in-rwanda/#:~:text=The%20purpose%20of%20tungsten%20is,Vibration%20mechanism%20inside%20the%20phone.
(www.JochenDuckeck.de/), Jochen Duckeck. “Mine Cristal.” Show Mines of Canada: Mine Cristal, www.showcaves.com/english/ca/mines/CristalQuebec.html.
“Tantalum Capacitor.” Dr. Aaron Edsinger February 23, 2021, https://eepower.com/capacitor-guide/types/tantalum-capacitor/
“Tungsten, Northwest Territories.” LORI GARRISON, Posted on June 16, 2016, https://www.northernpublicaffairs.ca/index/tale-of-a-tungsten-town-children-of-a-former-nwt-mine-reunite/
“Tanco Mine.” Wikipedia, Wikimedia Foundation, 15 Jan. 2021, en.wikipedia.org/wiki/Tanco_Mine.
"Uses of tantalum and its alloys" https://www.refractorymetal.org/what-are-the-uses-of-tantalum-and-its-alloys/#:~:text=%20%20%201%20The%20Uses%20of%20Tantalum,Tantalum%20in%20the%20Field%20of%20El...%20More%20
“Copper Mining and Production Processes Explained.” European Copper Institute, European Copper Institute, copperalliance.eu/about-copper/copper-and-its-alloys/processes/.
Bell, Terence. “What Are the Basics of Commercial Lithium Production?” ThoughtCo, www.thoughtco.com/lithium-production-2340123.
“How Quartz Is Processed For Use In Everyday Products.” McLanahan, 4 Mar. 2019, www.mclanahan.com/blog/how-quartz-is-processed-for-use-in-everyday-products.
M. Garside, statisia.com Feb 26, 2021 https://www.statista.com/statistics/1009165/global-tantalum-production-by-country/