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