deposito di benua timur
  
  
Asia
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
  
Not Yet Found
  
Afrika
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
  
Uganda
  
Eropah
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
  
Germany, Hungary, Italy, Spain
  
lain
belum menemukan
  
tanah penggembalaan, mid-Atlantik ridge
  
deposito di benua Barat
  
  
Amerika Utara
Canada, Mexico, USA
  
USA
  
Amerika Selatan
Brazil, Chili, Kolumbia, venezuela
  
Bolivia, Brazil
  
deposito di oceania benua
  
  
Australia
New South Wales, Queensland, Victoria
  
New South Wales, New Zealand, Queensland, South Australia, Western Australia