1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Not Yet Found
1.1.2 Afrika
1.1.3 Eropah
Germany, Hungary, Italy, Spain
Austria, Belarus, Romania, Switzerland, United Kingdom
1.1.4 lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, Western Australia