Asia
India, Russia
Russia
Afrika
South Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Eropah
Iceland
England, Hungary, Iceland, United Kingdom
lain
belum menemukan
antarctica, tanah penggembalaan
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
Brazil
Argentina, Kolumbia, Ekuador
deposito di oceania benua
Australia
Not Yet Found
New South Wales, New Zealand, Queensland, South Australia, Western Australia