1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Not Yet Found
South Africa, Tanzania
1.1.3 Eropah
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
Germany, Greece, Italy, Scotland, Turkey
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
Bolivia, Kolumbia
Argentina, Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, South Australia, Western Australia
Central Australia, New Zealand, Queensland, Western Australia