1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Western Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Austria, Belarus, Romania, Switzerland, United Kingdom
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
1.1.4 lain
belum menemukan
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
Brazil, Kolumbia
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Western Australia
New South Wales, Queensland, South Australia, Western Australia