deposito di benua timur
  
  
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
  
China, India, Turkey
  
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
  
Not Yet Found
  
Eropah
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland
  
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
  
lain
belum menemukan
  
arktik
  
deposito di benua Barat
  
  
Amerika Utara
Canada, USA
  
USA
  
Amerika Selatan
belum menemukan
  
Brazil
  
deposito di oceania benua
  
  
Australia
Not Yet Found
  
Not Yet Found