Depozite în Continente de Est
Asia
Bangladesh, China, India, Russia
Russia
Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Angola, Botswana, Cameroon, Ethiopia, South Africa
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
England, Hungary, Iceland, United Kingdom
Alții
-
antarctica
Depozite în Continente de Vest
America de Nord
USA
Canada, USA
America de Sud
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Argentina, Colombia, Ecuador
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, New Zealand, South Australia, Western Australia