deposito di benua timur
  
  
Asia
Japan
  
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
  
Afrika
Rwanda, Tanzania
  
Kenya, Morocco, South Africa, Tanzania
  
Eropah
Not Yet Found
  
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
  
lain
pulau hawaii
  
tanah penggembalaan, mid-Atlantik ridge
  
deposito di benua Barat
  
  
Amerika Utara
Canada, USA
  
Canada, Mexico, USA
  
Amerika Selatan
Kolumbia
  
Bolivia, Brazil
  
deposito di oceania benua
  
  
Australia
Not Yet Found
  
New South Wales, Queensland, South Australia, Western Australia