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