Depozite în Continente de Est
Asia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
India, Indonesia, Japan, Nepal, South Korea
Africa
Egypt, Ethiopia, Ghana, South Africa
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom
Alții
Groenlanda
nu a fost încă găsite
Depozite în Continente de Vest
America de Nord
Canada, Cuba, Jamaica, USA
Mexico, USA
America de Sud
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Western Australia
New South Wales, New Zealand, Western Australia