1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
South Africa, Tanzania
Morocco, South Africa
1.1.3 Eropah
Germany, Greece, Italy, Scotland, Turkey
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela
1.1.4 lain
antarctica, tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Brazil, Kolumbia, venezuela
Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland, Western Australia
New Zealand, Western Australia