1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
Not Available
1.1.2 Afrika
South Africa
South Africa
1.1.3 Eropah
France, Germany, Italy, Venezuela
England, Finland, United Kingdom
1.1.4 lain
pulau hawaii, mid-Atlantik ridge
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Kolumbia, uruguay
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New Zealand, Western Australia