deposito's in het oosten van continenten
Azië
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Bangladesh, China, India, Russia
Afrika
Angola, Egypt, Madagascar, Nigeria, South Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Europa
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
deposito's in het westen van continenten
Noord Amerika
Canada, USA
USA
Zuid-Amerika
-
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
deposito's in Oceanië continent
Australië
-
New South Wales, New Zealand, Queensland, Victoria, Western Australia