deposito di benua timur
  
  
Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
  
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
  
Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
  
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
  
Eropah
United Kingdom
  
England, France, Germany, Spain, United Kingdom
  
lain
belum menemukan
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
USA
  
Canada, USA
  
Amerika Selatan
Kolumbia
  
Kolumbia
  
deposito di oceania benua
  
  
Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula
  
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula