Depozite în Continente de Est
Asia
China, India, Israel, Russia, South Korea, Thailand, Turkey
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Africa
Ethiopia, Morocco, South Africa, Zimbabwe
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europa
England, Italy, Norway, Scotland, Sweden, United Kingdom
United Kingdom
Alții
Groenlanda
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Depozite în Continente de Vest
America de Nord
Bahamas, Canada, USA
USA
America de Sud
Brazil, Colombia, Venezuela
Colombia
Depozite în Oceania Continent
Australia
New Zealand, Queensland, Western Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula