Petition · Stop unethical coltan mining in the Democratic Republic of Congo · Change.org
Coltan Mine, The Congo: Few people understand that rare earth metals are required to manufacture our latest and greates… | Open cast mines, Earth, Natural landmarks
Congo, Coltan, Conflict: How the digital boom fueled conflict in Congo – MIR
Why it's hard for Congo's coltan miners to abide by the law | The Economist
Could Cobalt Be A New Conflict Mineral?
Coltan - Wikipedia
Metallic Ores in Congo Can Light Bulbs? Science Says, No [Fact Check] | Science Times
Coltan - Copperbelt Katanga Mining
Apple buys a key iPhone component from brutal Congolese mines. It's trying to stop. - Vox
The DRC Mining Industry: Child Labor and Formalization of Small-Scale Mining | Wilson Center
Attack on coltan mine in Congo leaves three dead - MINING.COM
The Mining of Coltan: Chances are Your Smartphone Was Manufactured With African Blood
If the whole world wants cobalt, and all the cobalt is in Congo, why are people in the country dying of hunger?
This is How Phones and Laptops Are Fueling Conflict and Poverty in Congo | The African Exponent.
Where Apple Gets the Tantalum for Your iPhone
Coltan Mining by Florentine Baumann
Congo coltan producer pulls out of certificate scheme owing to "higher and higher costs" - Miningmx
Human Rights and Green Revolution: Preventing Child Labor and Wage Discrimination in Cobalt Mining
Do Electric Car Batteries Use Coltan – OsVehicle
The Mining of Coltan: Chances are Your Smartphone Was Manufactured With African Blood
The Rise of Coltan: The Revolutionary Coltan Mining Industry | Wigmore Trading
Children in the Democratic Republic of Congo mine for coltan and face abuse to supply smartphone industry - ABC News
What is Coltan? 6 Facts You Should Know
Spain has Europe's only known coltan reserve | The Corner
Coltan Mine Collapse Kills 9 in Burundi: Official | News | teleSUR English
Apple, Sony, Samsung linked to child labour claims in cobalt mines - MINING.COM