1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
1.1.3 Afrika
Uganda
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
1.1.5 Eropah
Germany, Hungary, Italy, Spain
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
1.1.6 lain
tanah penggembalaan, mid-Atlantik ridge
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Bolivia, Brazil
Brazil, Chili, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, Queensland, Victoria