1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Russia, South Korea
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Western Africa
1.1.3 Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
United Kingdom
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
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, South Australia, Western Australia
Central Australia, Western Australia