Depozite în Continente de Est
Asia
China, India, Turkey
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Africa
Not Yet Found
Kenya, Morocco, South Africa, Tanzania
Europa
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Alții
arctic
Groenlanda, Dorsalei-atlantica
Depozite în Continente de Vest
America de Nord
USA
Canada, Mexico, USA
America de Sud
Brazil
Bolivia, Brazil
Depozite în Oceania Continent
Australia
Not Yet Found
New South Wales, Queensland, South Australia, Western Australia