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