Asia
India
Cambodia, Russia, South Korea
Afrika
South Africa, Tanzania
East Africa
Eropah
Germany, Greece, Italy, Scotland, Turkey
England, Germany, Hungary, Iceland, Scotland, Sweden
lain
antarctica, tanah penggembalaan
pulau hawaii
Amerika Utara
Canada, USA
USA
Amerika Selatan
Argentina, Brazil, Kolumbia, venezuela
belum menemukan
deposito di oceania benua
Australia
Central Australia, New Zealand, Queensland, Western Australia
Victoria