1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
1.1.2 Afrika
Uganda
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Eropah
Germany, Hungary, Italy, Spain
England, Finland, Germany, Great Britain, Greece, United Kingdom
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, Queensland, Western Australia