deposito di benua timur
  
  
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
  
India
  
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
  
South Africa, Tanzania
  
Eropah
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland
  
Germany, Greece, Italy, Scotland, Turkey
  
lain
belum menemukan
  
antarctica, tanah penggembalaan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, USA
  
Canada, USA
  
Amerika Selatan
belum menemukan
  
Argentina, Brazil, Kolumbia, venezuela
  
deposito di oceania benua
  
  
Australia
Not Yet Found
  
Central Australia, New Zealand, Queensland, Western Australia