1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
China, India
1.1.2 Afrika
Ethiopia, Ghana, Western Africa
Morocco, Namibia
1.1.3 Eropah
England
Austria, Italy, Romania, Spain, Switzerland
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Bolivia, uruguay
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, South Australia, Western Australia
New South Wales, Queensland, Yorke Peninsula