Depozite în Continente de Est
Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
Bangladesh, China, India, Russia
Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Europa
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Alții
Groenlanda
nu a fost încă găsite
Depozite în Continente de Vest
America de Nord
Canada, USA
USA
America de Sud
Brazil, Chile, Colombia, Uruguay, Venezuela
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Depozite în Oceania Continent
Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia