Depozite în Continente de Est
Asia
Russia
China, India, Israel, Russia, South Korea, Thailand, Turkey
Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Ethiopia, Morocco, South Africa, Zimbabwe
Europa
England, Hungary, Iceland, United Kingdom
England, Italy, Norway, Scotland, Sweden, United Kingdom
Alții
antarctica, Groenlanda
Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, Mexico, USA
Bahamas, Canada, USA
America de Sud
Argentina, Colombia, Ecuador
Brazil, Colombia, Venezuela
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, Queensland, Western Australia