1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
India, Russia
1.1.2 Afrika
Morocco, Namibia
South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
Iceland
1.1.4 lain
belum menemukan
pulau hawaii
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
Not Yet Found