Depozite în Continente de Est
Asia
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand
China, India
Africa
Egypt, Ethiopia, Ghana, South Africa, Western Africa
Morocco, Namibia
Europa
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom
Austria, Italy, Romania, Spain, Switzerland
Depozite în Continente de Vest
America de Nord
Canada, USA
Mexico, USA
America de Sud
Colombia
Brazil, Colombia
Depozite în Oceania Continent
Australia
Central Australia, New Zealand, Queensland
New South Wales, Queensland, Yorke Peninsula