1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Not Yet Found
1.1.2 Afrika
South Africa
Western Africa
1.1.3 Eropah
1.1.4 lain
pulau hawaii
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Not Available
1.2.2 Amerika Selatan
Brazil
Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Central Australia, Western Australia