1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
China, Russia
1.1.2 Afrika
Namibia, Nigeria, South Africa
Not Yet Found
1.1.3 Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Austria, Italy, Portugal, United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Barbados, Canada, Mexico, Panama, USA
Canada, USA
1.2.2 Amerika Selatan
Brazil
Argentina, Bolivia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand
Not Yet Found