Depozite în Continente de Est
Asia
India, Indonesia, Japan, Nepal, South Korea
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Africa
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europa
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom
United Kingdom
Depozite în Continente de Vest
America de Nord
Mexico, USA
USA
America de Sud
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Colombia
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Western Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula