Depozite în Continente de Est
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Russia
Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Europa
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
England, Hungary, Iceland, United Kingdom
Alții
-
antarctica, Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, USA
Canada, Mexico, USA
America de Sud
-
Argentina, Colombia, Ecuador
Depozite în Oceania Continent
Australia
-
New South Wales, New Zealand, Queensland, South Australia, Western Australia