Depozite în Continente de Est
Asia
China, India
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
Africa
Morocco, Namibia
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Europa
Austria, Italy, Romania, Spain, Switzerland
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
Alții
-
Groenlanda
Depozite în Continente de Vest
America de Nord
Mexico, USA
Canada, USA
America de Sud
Brazil, Colombia
Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
Depozite în Oceania Continent
Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand, Queensland, Victoria, Western Australia