Depozite în Continente de Est
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afghanistan, Indonesia, Japan, Russia
Africa
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
Ethiopia, Kenya, Tanzania
Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
Greece, Hungary, Iceland, Italy, Turkey
Alții
-
-
Depozite în Continente de Vest
America de Nord
USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
America de Sud
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
Argentina, Chile, Ecuador, Peru
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, Western Australia