Depozite în Continente de Est
Asia
India
Azerbaijan, China, Russia
Africa
South Africa, Tanzania
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Europa
Germany, Greece, Italy, Scotland, Turkey
Austria, Belgium, Cyprus, Denmark, France, Germany, Italy, Malta, Netherlands, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom
Alții
antarctica, Groenlanda
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Depozite în Continente de Vest
America de Nord
Canada, USA
USA
America de Sud
Argentina, Brazil, Colombia, Venezuela
Bolivia
Depozite în Oceania Continent
Australia
Central Australia, New Zealand, Queensland, Western Australia
New Zealand, South Australia