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