1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
South Africa
Morocco, Namibia
1.1.3 Eropah
France, Germany, Italy, Venezuela
Austria, Italy, Romania, Spain, Switzerland
1.1.4 lain
pulau hawaii, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, Queensland, Yorke Peninsula