Depozite în Continente de Est
Asia
Russia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Egypt, Ethiopia, Morocco, Nigeria, South Africa
Europa
England, Hungary, Iceland, United Kingdom
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
Alții
antarctica, Groenlanda
nu a fost încă găsite
Depozite în Continente de Vest
America de Nord
Canada, Mexico, USA
Canada, Costa Rica, Cuba, Mexico, Panama, USA
America de Sud
Argentina, Colombia, Ecuador
Brazil, Colombia, Guyana
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland