Depozite în Continente de Est
  
  
Asia
China, India, Turkey
  
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
  
Africa
Not Yet Found
  
Egypt, Ethiopia, Ghana, South Africa
  
Europa
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
  
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
  
Alții
arctic
  
Groenlanda
  
Depozite în Continente de Vest
  
  
America de Nord
USA
  
Canada, Cuba, Jamaica, USA
  
America de Sud
Brazil
  
Bolivia, Brazil, Colombia, Ecuador, Paraguay
  
Depozite în Oceania Continent
  
  
Australia
Not Yet Found
  
New South Wales, New Zealand, Western Australia