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