1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
1.1.2 Afrika
Morocco, Namibia
Namibia, Nigeria, South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand