1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
1.1.2 Afrika
Morocco, Namibia
Morocco, South Africa
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New Zealand, Western Australia