Depozite în Continente de Est
Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
China, India
Africa
Kenya, Morocco, South Africa, Tanzania
Morocco, Namibia
Europa
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Austria, Italy, Romania, Spain, Switzerland
Alții
Groenlanda, Dorsalei-atlantica
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Depozite în Continente de Vest
America de Nord
Canada, Mexico, USA
Mexico, USA
America de Sud
Bolivia, Brazil
Brazil, Colombia
Depozite în Oceania Continent
Australia
New South Wales, Queensland, South Australia, Western Australia
New South Wales, Queensland, Yorke Peninsula