Depozite în Continente de Est
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Cambodia, Russia, South Korea
Africa
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
East Africa
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
England, Germany, Hungary, Iceland, Scotland, Sweden
Depozite în Continente de Vest
America de Sud
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
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Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Victoria