deposito's in het oosten van continenten
  
  
Azië
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
  
Not Yet Found
  
Afrika
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
  
Not Yet Found
  
Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
  
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
  
anderen
Antarctica, Hawaï-eilanden
  
Nog niet gevonden
  
deposito's in het westen van continenten
  
  
Noord Amerika
Canada, Costa Rica, Panama, USA
  
Canada
  
Zuid-Amerika
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
  
Bolivia, Colombia
  
deposito's in Oceanië continent
  
  
Australië
Central Australia, Western Australia
  
Central Australia, South Australia, Western Australia