deposito's in het oosten van continenten
  
  
Azië
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
  
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
  
Afrika
Namibia, Nigeria, South Africa
  
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
  
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, 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
Groenland
  
Nog niet gevonden
  
deposito's in het westen van continenten
  
  
Noord Amerika
Barbados, Canada, Mexico, Panama, USA
  
Canada, Costa Rica, Cuba, Mexico, Panama, USA
  
Zuid-Amerika
Brazil
  
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
  
deposito's in Oceanië continent
  
  
Australië
New South Wales, New Zealand
  
New South Wales, New Zealand, Queensland, Victoria