Depozite în Continente de Est
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
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Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
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Europa
Bulgaria, England, Germany, Norway, Romania, Switzerland
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
Alții
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Depozite în Continente de Vest
America de Nord
USA
Canada
America de Sud
Brazil, Chile
Bolivia, Colombia
Depozite în Oceania Continent
Australia
New Zealand, Queensland, South Australia, Western Australia
Central Australia, South Australia, Western Australia