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, England, Germany, Norway, Romania, Switzerland
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Depozite în Continente de Vest
America de Nord
USA
Canada, Cuba, Jamaica, USA
America de Sud
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Western Australia