Depozite în Continente de Est
Asia
China, India, Indonesia, Saudi Arabia, South Korea
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
Africa
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
Cameroon, East Africa, Tanzania, Western Africa
Europa
England, Finland, France, Germany, Great Britain, Greece, United Kingdom
United Kingdom
Depozite în Continente de Vest
America de Nord
USA
Canada, USA
America de Sud
-
Bolivia, Brazil, Colombia, Ecuador
Depozite în Oceania Continent
Australia
Central Australia, Western Australia
New South Wales, New Zealand, Queensland, Western Australia