1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
China, India
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Morocco, Namibia
1.1.3 Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
Austria, Italy, Romania, Spain, Switzerland
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Chili
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, South Australia, Western Australia
New South Wales, Queensland, Yorke Peninsula