Depozite în Continente de Est
Asia
China, India
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Africa
Morocco, Namibia
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Europa
Austria, Italy, Romania, Spain, Switzerland
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
Depozite în Continente de Vest
America de Nord
Mexico, USA
Canada, Mexico, USA
America de Sud
Brazil, Colombia
Brazil, Chile, Colombia, Venezuela
Depozite în Oceania Continent
Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, Queensland, Victoria