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