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