1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Not Yet Found
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Ukraine
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
1.3 deposito di oceania benua
1.3.1 Australia
Western Australia
New South Wales, Queensland, South Australia, Western Australia