Depozite în Continente de Est
Asia
Bangladesh, China, India, Russia
India, Saudi Arabia, Singapore, South Korea
Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Ethiopia, Western Africa
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
England, Georgia, Switzerland, United Kingdom
Depozite în Continente de Vest
America de Nord
USA
Canada
America de Sud
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Colombia
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
Central Australia, New South Wales, New Zealand, Western Australia