Asia
China, India, Israel, Russia, South Korea, Thailand, Turkey
Russia, South Korea
Afrika
Ethiopia, Morocco, South Africa, Zimbabwe
Western Africa
Eropah
England, Italy, Norway, Scotland, Sweden, United Kingdom
United Kingdom
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Bahamas, Canada, USA
USA
Amerika Selatan
Brazil, Kolumbia, venezuela
belum menemukan
deposito di oceania benua
Australia
New Zealand, Queensland, Western Australia
Central Australia, Western Australia