deposito's in het oosten van continenten
Azië
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Egypt, Ethiopia, Ghana, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
deposito's in het westen van continenten
Noord Amerika
Canada, Cuba, Jamaica, USA
Canada, USA
Zuid-Amerika
Bolivia, Brazil, Colombia, Ecuador, Paraguay
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deposito's in Oceanië continent
Australië
New South Wales, New Zealand, Western Australia
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