1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
India, Indonesia, Japan, Nepal, South Korea
1.1.2 Afrika
South Africa
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
1.1.3 Eropah
France, Germany, Italy, Venezuela
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom
1.1.4 lain
pulau hawaii, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, New Zealand, Western Australia