1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Israel, Russia, South Korea, Thailand, Turkey
China, India, Kazakhstan, Mongolia, Russia
1.1.2 Afrika
Ethiopia, Morocco, South Africa, Zimbabwe
Namibia, Nigeria, South Africa
1.1.3 Eropah
England, Italy, Norway, Scotland, Sweden, United Kingdom
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Bahamas, Canada, USA
Canada, USA
1.2.2 Amerika Selatan
Brazil, Kolumbia, venezuela
Brazil, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, Western Australia
New South Wales, New Zealand