Depozite în Continente de Est
Asia
India
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Africa
East Africa, Western Africa
Egypt, Ethiopia, Ghana, South Africa
Europa
England, Romania, Scotland
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Depozite în Continente de Vest
America de Nord
Canada, USA
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