1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
1.1.2 Afrika
South Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Finland, Norway, Portugal
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
1.1.4 lain
belum menemukan
tanah penggembalaan, belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil
Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Not Yet Found
New South Wales, New Zealand, Queensland, Victoria, Western Australia