1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
India, Russia
1.1.2 Afrika
1.1.3 Eropah
Germany, Hungary, Italy, Spain
Germany, Greece, Italy, Scotland, Turkey
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, Queensland