Depozite în Continente de Est
Asia
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Africa
Egypt, Ethiopia, Ghana, South Africa, Western Africa
Egypt, Ethiopia, Ghana, South Africa
Europa
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Alții
nu a fost încă găsite
Groenlanda
Depozite în Continente de Vest
America de Nord
Canada, USA
Canada, Cuba, Jamaica, USA
America de Sud
Colombia
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Depozite în Oceania Continent
Australia
Central Australia, New Zealand, Queensland
New South Wales, New Zealand, Western Australia