Depozite în Continente de Est
Asia
China, India, Turkey
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Africa
Not Yet Found
Namibia, Nigeria, South Africa
Europa
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Depozite în Continente de Vest
America de Nord
USA
Canada, USA
America de Sud
Brazil
Brazil
Depozite în Oceania Continent
Australia
Not Yet Found
New South Wales, New Zealand