1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Bangladesh, China, India, Russia
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, Switzerland
Italy, Spain
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, 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