Depozite în Continente de Est
Asia
Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Namibia, Nigeria, South Africa
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Alții
Groenlanda, nu a fost încă găsite
Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, USA
Barbados, Canada, Mexico, Panama, USA
America de Sud
Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
Brazil
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, New Zealand