1 Rezerve
1.1 Depozite în Continente de Est
1.1.1 Asia
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Russia
1.1.2 Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Angola, Botswana, Cameroon, Ethiopia, South Africa
1.1.3 Europa
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
England, Hungary, Iceland, United Kingdom
1.1.4 Alții
nu a fost încă găsite
antarctica, Groenlanda
1.2 Depozite în Continente de Vest
1.2.1 America de Nord
Canada, Mexico, USA
Canada, Mexico, USA
1.2.2 America de Sud
Brazil, Chile, Colombia, Venezuela
Argentina, Colombia, Ecuador
1.3 Depozite în Oceania Continent
1.3.1 Australia
New South Wales, Queensland, Victoria
New South Wales, New Zealand, Queensland, South Australia, Western Australia