deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
-
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
-
Europa
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
England, France, Germany, Great Britain, Netherlands, Sweden, Switzerland, United Kingdom
deposito's in het westen van continenten
Noord Amerika
Canada, USA
-
deposito's in Oceanië continent