1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Pakistan, Russia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
1.1.2 Afrika
Ethiopia, Kenya, Morocco, South Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
1.1.3 Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, 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
Kolumbia, Ekuador, peru
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Victoria, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula