Depozite în Continente de Est
  
  
Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
  
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
  
Africa
Kenya, Morocco, South Africa, Tanzania
  
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
  
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, 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
  
Alții
Groenlanda, Dorsalei-atlantica
  
nu a fost încă găsite
  
Depozite în Continente de Vest
  
  
America de Nord
Canada, Mexico, USA
  
Canada, Costa Rica, Cuba, Mexico, Panama, USA
  
America de Sud
Bolivia, Brazil
  
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
  
Depozite în Oceania Continent
  
  
Australia
New South Wales, Queensland, South Australia, Western Australia
  
New South Wales, New Zealand, Queensland, Victoria