1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
China, India
1.1.2 Afrika
South Africa, Western Africa
Morocco, Namibia
1.1.3 Eropah
United Kingdom
Austria, Italy, Romania, Spain, Switzerland
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
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New South Wales, Queensland, Yorke Peninsula