Depozite în Continente de Est
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Cameroon, East Africa, Tanzania, Western Africa
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
United Kingdom
Alții
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Depozite în Continente de Vest
America de Nord
USA
Canada, USA
America de Sud
Brazil, Chile
Bolivia, Brazil, Colombia, Ecuador
Depozite în Oceania Continent
Australia
New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland, Western Australia