deposito's in het oosten van continenten
Azië
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Azerbaijan, China, Russia
Afrika
Kenya, Morocco, South Africa, Tanzania
Not Yet Found
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Austria, Belgium, Cyprus, Denmark, France, Germany, Italy, Malta, Netherlands, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom
anderen
Groenland, Mid-Atlantische Rug
Nog niet gevonden
deposito's in het westen van continenten
Noord Amerika
Canada, Mexico, USA
USA
Zuid-Amerika
Bolivia, Brazil
Bolivia
deposito's in Oceanië continent
Australië
New South Wales, Queensland, South Australia, Western Australia
New Zealand, South Australia