deposito di benua timur
  
  
Asia
Russia
  
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
  
Afrika
Angola, Botswana, Cameroon, Ethiopia, South Africa
  
South Africa, Western Africa
  
Eropah
England, Hungary, Iceland, United Kingdom
  
United Kingdom
  
lain
antarctica
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, USA
  
Canada
  
Amerika Selatan
Argentina, Kolumbia, Ekuador
  
Brazil, Kolumbia, Paraguai
  
deposito di oceania benua
  
  
Australia
New South Wales, New Zealand, South Australia, Western Australia
  
Central Australia, Western Australia