Depozite în Continente de Est
Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
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Africa
Namibia, Nigeria, South Africa
-
Europa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Bulgaria, England, Germany, Norway, Romania, Switzerland
Depozite în Continente de Vest
America de Nord
Canada, USA
USA
America de Sud
Brazil
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru
Depozite în Oceania Continent
Australia
New South Wales, New Zealand
New South Wales, New Zealand, Queensland, South Australia, Western Australia