1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
1.1.2 Afrika
Namibia
Ethiopia, Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Italy, Spain
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
Not Yet Found
Canada, USA
1.2.2 Amerika Selatan
belum menemukan
Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, Victoria
New South Wales, New Zealand, Queensland, Victoria, Western Australia