1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Not Available
1.1.2 Afrika
1.1.3 Eropah
Germany, Hungary, Italy, Spain
United Kingdom
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil
Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Central Australia, Western Australia