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