Depozite în Continente de Est
Asia
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea
India
Africa
South Africa
South Africa, Tanzania
Europa
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine
Germany, Greece, Italy, Scotland, Turkey
Alții
-
antarctica, Groenlanda
Depozite în Continente de Vest
America de Nord
Canada
Canada, USA
America de Sud
Brazil
Argentina, Brazil, Colombia, Venezuela
Depozite în Oceania Continent
Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, New Zealand, Queensland, Western Australia