1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Russia
1.1.2 Afrika
South Africa, Western Africa
South Africa, Western Africa
1.1.3 Eropah
United Kingdom
Not Yet Found
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, Paraguai
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
Central Australia, Western Australia