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