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