Depozite în Continente de Est
Asia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
South Korea
Africa
Egypt, Ethiopia, Ghana, South Africa
Western Africa
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Great Britain, Switzerland
Alții
Groenlanda
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Depozite în Continente de Vest
America de Nord
Canada, Cuba, Jamaica, USA
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America de Sud
Bolivia, Brazil, Colombia, Ecuador, Paraguay
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Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Western Australia
Central Australia, Western Australia