Deposits in Eastern Continents
  
  
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
  
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
  
Africa
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
  
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
  
Europe
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
  
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela
  
Others
Antarctica, Hawaii Islands
  
Not Yet Found
  
Deposits in Western Continents
  
  
North America
Canada, Costa Rica, Panama, USA
  
Canada, USA
  
South America
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
  
Not Yet Found
  
Deposits in Oceania Continent
  
  
Australia
Central Australia, Western Australia
  
Not Yet Found