Depozite în Continente de Est
Asia
China, India, Turkey
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Africa
Not Yet Found
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Europa
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
Alții
arctic
nu a fost încă găsite
Depozite în Continente de Vest
America de Nord
USA
Canada, Mexico, USA
America de Sud
Brazil
Brazil, Chile, Colombia, Venezuela
Depozite în Oceania Continent
Australia
Not Yet Found
New South Wales, Queensland, Victoria