1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
South Africa
Not Yet Found
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
Ukraine
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
Western Australia