Asia
India, Russia
Not Yet Found
Afrika
South Africa
Not Yet Found
Eropah
Germany, Greece, Italy, Scotland, Turkey
France, Greece, Romania, Scotland, Spain
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil, Kolumbia, venezuela
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
deposito di oceania benua
Australia
New Zealand, Queensland
New Zealand, South Australia, Western Australia