Depozite în Continente de Est
Asia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Africa
Namibia, Nigeria, South Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
Alții
Groenlanda
nu a fost încă găsite
Depozite în Continente de Vest
America de Nord
Barbados, Canada, Mexico, Panama, USA
Canada, Mexico, USA
America de Sud
Brazil
Brazil, Chile, Colombia, Venezuela
Depozite în Oceania Continent
Australia
New South Wales, New Zealand
New South Wales, Queensland, Victoria