Depozite în Continente de Est
Asia
India
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Africa
South Africa, Tanzania
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
Germany, Greece, Italy, Scotland, Turkey
Bulgaria, England, Germany, Norway, Romania, Switzerland
Alții
antarctica, Groenlanda
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Depozite în Continente de Vest
America de Nord
Canada, USA
USA
America de Sud
Argentina, Brazil, Colombia, Venezuela
Brazil, Chile
Depozite în Oceania Continent
Australia
Central Australia, New Zealand, Queensland, Western Australia
New Zealand, Queensland, South Australia, Western Australia