1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Russia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
1.1.2 Afrika
South Africa
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Eropah
Iceland
Bulgaria, England, Germany, Norway, Romania, Switzerland
1.1.4 lain
pulau hawaii
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, New Zealand, Queensland, South Australia, Western Australia