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