1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
1.1.2 Afrika
Rwanda, Tanzania
South Africa, Western Africa
1.1.3 Eropah
Not Yet Found
United Kingdom
1.1.4 lain
pulau hawaii
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Kolumbia
Brazil, Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
Central Australia, Western Australia