Depozite în Continente de Est
Asia
China, India
China, India, Iran, Japan, Nepal, North Korea, Russia, Saudi Arabia, South Korea
Africa
Morocco, Namibia
South Africa
Europa
Austria, Italy, Romania, Spain, Switzerland
Austria, France, Greece, Ireland, Italy, Netherlands, Slovakia, Spain, Turkey, Ukraine
Depozite în Continente de Vest
America de Nord
Mexico, USA
Canada
America de Sud
Brazil, Colombia
Brazil
Depozite în Oceania Continent
Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, Queensland, South Australia, Western Australia