deposito's in het oosten van continenten
Azië
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Not Yet Found
Afrika
Egypt, Ethiopia, Ghana, South Africa
Egypt
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Finland, Germany, Italy, Romania, Sweden, Turkey
anderen
Groenland
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Canada, Cuba, Jamaica, USA
USA
Zuid-Amerika
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Western Australia
New Zealand, South Australia, Western Australia