1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
1.1.2 Afrika
South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
England, Finland, Germany, Great Britain, Greece, 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
New Zealand, Queensland, Western Australia