1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Pakistan, Russia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
1.1.2 Afrika
Ethiopia, Kenya, Morocco, South Africa
South Africa, Western Africa
1.1.3 Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, 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
Kolumbia, Ekuador, peru
Brazil, Kolumbia, Paraguai
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Victoria, Western Australia
Central Australia, Western Australia