deposito's in het oosten van continenten
Azië
Not Available
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
Afrika
South Africa
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
Europa
England, Finland, United Kingdom
Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Switzerland, Ukraine, United Kingdom
anderen
Antarctica, Groenland
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
USA
Canada, Costa Rica, Cuba, Mexico, Panama, USA
Zuid-Amerika
Colombia, Uruguay
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
deposito's in Oceanië continent
Australië
New Zealand, Western Australia
New South Wales, New Zealand, Queensland, Victoria