Depozite în Continente de Est
Asia
Russia, Turkey
Bangladesh, China, India, Russia
Africa
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Europa
Germany, Greece, Iceland, Norway, Poland
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Alții
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Depozite în Continente de Vest
America de Nord
Canada, USA
USA
America de Sud
Brazil
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Depozite în Oceania Continent
Australia
South Australia, Western Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia