1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
1.1.2 Afrika
Not Yet Found
Namibia, Nigeria, South Africa
1.1.3 Eropah
Bulgaria
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
Not Yet Found
New South Wales, New Zealand