Depozite în Continente de Est
Asia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
China, India
Africa
Egypt, Ethiopia, Ghana, South Africa
Morocco, Namibia
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Austria, Italy, Romania, Spain, Switzerland
Depozite în Continente de Vest
America de Nord
Canada, Cuba, Jamaica, USA
Mexico, USA
America de Sud
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Brazil, Colombia
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Western Australia
New South Wales, Queensland, Yorke Peninsula