1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
India, Saudi Arabia, Singapore, South Korea
1.1.2 Afrika
South Africa
Ethiopia, Western Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
England, Georgia, Switzerland, United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland
Central Australia, New South Wales, New Zealand, Western Australia