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