Depozite în Continente de Est
Asia
Azerbaijan, China, Russia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Africa
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Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Europa
Austria, Belgium, Cyprus, Denmark, France, Germany, Italy, Malta, Netherlands, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom
England, France, Germany, Spain, United Kingdom
Alții
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Depozite în Continente de Vest
America de Nord
USA
Canada, USA
America de Sud
Bolivia
Colombia
Depozite în Oceania Continent
Australia
New Zealand, South Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula