1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
1.1.2 Afrika
Morocco, Namibia
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
England, France, Germany, Spain, United Kingdom
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula