Depozite în Continente de Est
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
Russia
Africa
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
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Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
Ukraine
Alții
antarctica, insulele hawaii
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Depozite în Continente de Vest
America de Nord
Canada, Costa Rica, Panama, USA
Canada, USA
America de Sud
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
Brazil
Depozite în Oceania Continent
Australia
Central Australia, Western Australia
Western Australia