deposito's in het oosten van continenten
Azië
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
China, India
Afrika
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
deposito's in het westen van continenten
Noord Amerika
Canada, Cuba, Jamaica, USA
Mexico, USA
Zuid-Amerika
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Brazil, Colombia
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Western Australia
New South Wales, Queensland, Yorke Peninsula