1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India
1.1.2 Afrika
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
Italy, Spain
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Mexico, USA
Not Yet Found
1.2.2 Amerika Selatan
Brazil, Kolumbia
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand, Queensland, Victoria