Depozite în Continente de Est
Asia
China, India, Turkey
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Africa
Not Yet Found
Egypt, Ethiopia, Ghana, South Africa
Europa
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Depozite în Continente de Vest
America de Nord
USA
Canada, Cuba, Jamaica, USA
America de Sud
Brazil
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Depozite în Oceania Continent
Australia
Not Yet Found
New South Wales, New Zealand, Western Australia