deposito di benua timur
  
  
Asia
China, India
  
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
  
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
  
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
  
Eropah
Germany, Iceland, Ireland, Italy, Spain
  
Bulgaria, England, Germany, Norway, Romania, Switzerland
  
lain
belum menemukan
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, USA
  
USA
  
Amerika Selatan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
  
Brazil, Chili
  
deposito di oceania benua
  
  
Australia
New Zealand, Queensland, Western Australia
  
New Zealand, Queensland, South Australia, Western Australia