Depozite în Continente de Est
Asia
India, Russia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
Africa
South Africa
Cameroon, East Africa, Tanzania, Western Africa
Europa
Germany, Greece, Italy, Scotland, Turkey
United Kingdom
Depozite în Continente de Vest
America de Nord
Canada, USA
Canada, USA
America de Sud
Brazil, Colombia, Venezuela
Bolivia, Brazil, Colombia, Ecuador
Depozite în Oceania Continent
Australia
New Zealand, Queensland
New South Wales, New Zealand, Queensland, Western Australia