deposito di benua timur
  
  
Asia
India, Pakistan, Russia
  
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
  
Afrika
Ethiopia, Kenya, Morocco, South Africa
  
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
  
Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
  
United Kingdom
  
lain
belum menemukan
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
USA
  
USA
  
Amerika Selatan
Kolumbia, Ekuador, peru
  
Kolumbia
  
deposito di oceania benua
  
  
Australia
New South Wales, Victoria, Western Australia
  
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula