deposito's in het oosten van continenten
Azië
China, India, Turkey
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
Afrika
Not Yet Found
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Europa
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Andorra, Finland, France, Germany, Great Britain, Italy, Norway, Portugal, Spain, Sweden
anderen
Noordpoolgebied
Groenland
deposito's in het westen van continenten
Noord Amerika
USA
Canada, USA
Zuid-Amerika
Brazil
Brazil, Chile, Colombia, Uruguay, Venezuela
deposito's in Oceanië continent
Australië
Not Yet Found
New Zealand, Queensland, South Australia, Tasmania, Western Australia