Depozite în Continente de Est
  
  
Asia
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
  
India, Indonesia, Japan, Nepal, South Korea
  
Africa
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda
  
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
  
Europa
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
  
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom
  
Alții
antarctica, insulele hawaii
  
nu a fost încă găsite
  
Depozite în Continente de Vest
  
  
America de Nord
Canada, Costa Rica, Panama, USA
  
Mexico, USA
  
America de Sud
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay
  
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
  
Depozite în Oceania Continent
  
  
Australia
Central Australia, Western Australia
  
New South Wales, New Zealand, Western Australia