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