deposito di benua timur
  
  
Asia
India, Russia
  
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
  
Afrika
South Africa
  
Ethiopia, Kenya, Morocco, South Africa, Tanzania
  
Eropah
Germany, Greece, Italy, Scotland, Turkey
  
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
  
lain
tanah penggembalaan, mid-Atlantik ridge
  
tanah penggembalaan, belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, USA
  
Canada, USA
  
Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
  
Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru, venezuela
  
deposito di oceania benua
  
  
Australia
New Zealand, Queensland
  
New South Wales, New Zealand, Queensland, Victoria, Western Australia