1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India
1.1.2 Afrika
Namibia
Angola, Egypt, Madagascar, Namibia, Nigeria
1.1.3 Eropah
Italy, Spain
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Not Yet Found
Canada, USA
1.2.2 Amerika Selatan
belum menemukan
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, Victoria
Central Australia, Queensland, Western Australia