Afrika
Not Yet Found
South Africa, Tanzania
Eropah
Bulgaria
Germany, Greece, Italy, Scotland, Turkey
lain
belum menemukan
antarctica, tanah penggembalaan
Amerika Utara
USA
Canada, USA
Amerika Selatan
belum menemukan
Argentina, Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
Not Yet Found
Central Australia, New Zealand, Queensland, Western Australia