1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Available
China, India
1.1.2 Afrika
South Africa
Morocco, Namibia
1.1.3 Eropah
England, Finland, United Kingdom
Austria, Italy, Romania, Spain, Switzerland
1.1.4 lain
antarctica, tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Kolumbia, uruguay
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Western Australia
New South Wales, Queensland, Yorke Peninsula