1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Not Yet Found
1.1.2 Afrika
Morocco, Namibia
Not Yet Found
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
France, Greece, Romania, Scotland, Spain
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
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New Zealand, South Australia, Western Australia