1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Not Yet Found
Angola, Botswana, Cameroon, Ethiopia, South Africa
1.1.3 Eropah
Bulgaria
England, Hungary, Iceland, United Kingdom
1.1.4 lain
belum menemukan
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Argentina, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, New Zealand, Queensland, South Australia, Western Australia