Depozite în Continente de Est
  
  
Asia
Not Yet Found
  
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
  
Africa
Not Yet Found
  
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
  
Europa
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
  
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
  
Alții
nu a fost încă găsite
  
antarctica, insulele hawaii
  
Depozite în Continente de Vest
  
  
America de Nord
Canada
  
Canada, Costa Rica, Panama, USA
  
America de Sud
Bolivia, Colombia
  
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
  
Depozite în Oceania Continent
  
  
Australia
Central Australia, South Australia, Western Australia
  
Central Australia, Western Australia