1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
1.1.2 Afrika
Not Yet Found
Egypt, Ethiopia, Ghana, South Africa
1.1.3 Eropah
Bulgaria
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
1.1.4 lain
belum menemukan
tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
USA
Canada, Cuba, Jamaica, USA
1.2.2 Amerika Selatan
belum menemukan
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, New Zealand, Western Australia