1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
Not Yet Found
1.1.2 Afrika
1.1.3 Eropah
France, Germany, Italy, Venezuela
Germany, Hungary, Italy, Spain
1.1.4 lain
pulau hawaii, mid-Atlantik ridge
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, New Zealand, Queensland, South Australia, Western Australia