1 Rezerve
1.1 Depozite în Continente de Est
1.1.1 Asia
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
China, India
1.1.2 Africa
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
Angola, Egypt, Madagascar, Namibia, Nigeria
1.1.3 Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
1.1.4 Alții
antarctica, insulele hawaii
nu a fost încă găsite
1.2 Depozite în Continente de Vest
1.2.1 America de Nord
Canada, Costa Rica, Panama, USA
Canada, USA
1.2.2 America de Sud
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
Argentina, Bolivia, Brazil, Colombia, Ecuador
1.3 Depozite în Oceania Continent
1.3.1 Australia
Central Australia, Western Australia
Central Australia, Queensland, Western Australia