1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
1.1.2 Afrika
Not Yet Found
Cameroon, East Africa, Tanzania, Western Africa
1.1.3 Eropah
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
Bolivia, Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Western Australia
New South Wales, New Zealand, Queensland, Western Australia