deposito's in het oosten van continenten
Azië
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
Russia
Afrika
Egypt, Ethiopia, Morocco, Nigeria, South Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Europa
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
England, Hungary, Iceland, United Kingdom
anderen
Nog niet gevonden
Antarctica, Groenland
deposito's in het westen van continenten
Noord Amerika
Canada, Costa Rica, Cuba, Mexico, Panama, USA
Canada, Mexico, USA
Zuid-Amerika
Brazil, Colombia, Guyana
Argentina, Colombia, Ecuador
deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Queensland
New South Wales, New Zealand, Queensland, South Australia, Western Australia