1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Not Yet Found
1.1.2 Afrika
South Africa
Western Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Not Available
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Brazil, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
Central Australia, Western Australia