Depozite în Continente de Est
Asia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Africa
Namibia, Nigeria, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela
Alții
Groenlanda
nu a fost încă găsite
Depozite în Continente de Vest
America de Nord
Barbados, Canada, Mexico, Panama, USA
Canada, USA
America de Sud
Brazil
Not Yet Found
Depozite în Oceania Continent
Australia
New South Wales, New Zealand
Not Yet Found