1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Not Available
1.1.2 Afrika
Morocco, Namibia
Not Available
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
United Kingdom
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
Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
Central Australia, Western Australia