1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Japan, Oman
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
South Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
France, Germany, Italy, Venezuela
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
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
Canada, USA
Canada, Mexico, USA
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, Queensland, South Australia, Western Australia