Deposits in Eastern Continents
Asia
Japan
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Africa
Rwanda, Tanzania
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Europe
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Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
Others
Hawaii Islands
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Deposits in Western Continents
North America
Canada, USA
Canada
South America
Colombia
Bolivia, Colombia
Deposits in Oceania Continent
Australia
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Central Australia, South Australia, Western Australia