Depozite în Continente de Est
Asia
South Korea
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
Africa
Western Africa
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
Europa
Great Britain, Switzerland
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
Alții
nu a fost încă găsite
antarctica, insulele hawaii
Depozite în Continente de Vest
America de Nord
Not Yet Found
Canada, Costa Rica, Panama, USA
America de Sud
Not Yet Found
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador
Depozite în Oceania Continent
Australia
Central Australia, Western Australia
Central Australia, Western Australia