Depozite în Continente de Est
Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Russia, Turkey
Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Europa
England, France, Germany, Spain, United Kingdom
Germany, Greece, Iceland, Norway, Poland
Depozite în Continente de Vest
America de Nord
Canada, USA
Canada, USA
America de Sud
Colombia
Brazil
Depozite în Oceania Continent
Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
South Australia, Western Australia