1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea
1.1.2 Afrika
Morocco, Namibia
South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine
1.1.4 lain
belum menemukan
belum menemukan
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
New South Wales, Queensland, South Australia, Western Australia