Depozite în Continente de Est
Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
India
Africa
Kenya, Morocco, South Africa, Tanzania
South Africa, Tanzania
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Germany, Greece, Italy, Scotland, Turkey
Alții
Groenlanda, Dorsalei-atlantica
antarctica, Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, Mexico, USA
Canada, USA
America de Sud
Bolivia, 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