Depozite în Continente de Est
Asia
India
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
Africa
South Africa, Tanzania
Egypt, Ethiopia, Morocco, Nigeria, South Africa
Europa
Germany, Greece, Italy, Scotland, Turkey
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, USA
Canada, Costa Rica, Cuba, Mexico, Panama, USA
America de Sud
Argentina, Brazil, Colombia, Venezuela
Brazil, Colombia, Guyana
Depozite în Oceania Continent
Australia
Central Australia, New Zealand, Queensland, Western Australia
New South Wales, New Zealand, Queensland