1 Rezerve
1.1 Depozite în Continente de Est
1.1.1 Asia
China, India, Kazakhstan, Mongolia, Russia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
1.1.2 Africa
Namibia, Nigeria, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
1.1.3 Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
1.1.4 Alții
nu a fost încă găsite
Groenlanda
1.2 Depozite în Continente de Vest
1.2.1 America de Nord
1.2.2 America de Sud
Brazil, Venezuela
Brazil, Chile, Colombia, Uruguay, Venezuela
1.3 Depozite în Oceania Continent
1.3.1 Australia
New South Wales, New Zealand
New Zealand, Queensland, South Australia, Tasmania, Western Australia