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