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
Namibia
1.1.3 Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
Italy, Spain
1.1.4 lain
tanah penggembalaan, belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Not Yet Found
1.2.2 Amerika Selatan
Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru, venezuela
belum menemukan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, New Zealand, Queensland, Victoria