1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
1.1.2 Afrika
South Africa
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
1.2.2 Amerika Selatan
Brazil
Brazil, Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Central Australia, Western Australia