Depozite în Continente de Est
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
China, India, Indonesia, Russia, Singapore, South Korea
Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
Albania, France, Germany, Great Britain, United Kingdom
Depozite în Continente de Vest
America de Nord
USA
Canada, USA
America de Sud
Brazil, Chile
Brazil, Colombia, Ecuador
Depozite în Oceania Continent
Australia
New Zealand, Queensland, South Australia, Western Australia
New South Wales, South Australia, Western Australia