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