1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
India, Pakistan, Russia
1.1.2 Afrika
Uganda
Ethiopia, Kenya, Morocco, South Africa
1.1.3 Eropah
Germany, Hungary, Italy, Spain
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
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
Bolivia, Brazil
Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, Victoria, Western Australia