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