1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
China, India
1.1.2 Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Morocco, Namibia
1.1.3 Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
Austria, Italy, Romania, Spain, Switzerland
1.1.4 lain
tanah penggembalaan, belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru, venezuela
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, Queensland, Yorke Peninsula