Depozite în Continente de Est
Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
England, Finland, Germany, Great Britain, Greece, United Kingdom
Alții
Groenlanda
nu a fost încă găsite
Depozite în Continente de Vest
America de Nord
Canada, USA
Canada, USA
America de Sud
Brazil, Chile, Colombia, Uruguay, Venezuela
Colombia
Depozite în Oceania Continent
Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia
New Zealand, Queensland, Western Australia