Asia
India, Saudi Arabia, Singapore, South Korea
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Afrika
Ethiopia, Western Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Eropah
England, Georgia, Switzerland, United Kingdom
England, France, Germany, Spain, United Kingdom
lain
belum menemukan
belum menemukan
Amerika Utara
Canada
Canada, USA
Amerika Selatan
Kolumbia
Kolumbia
deposito di oceania benua
Australia
Central Australia, New South Wales, New Zealand, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula