Asia
Not Yet Found
India, Russia
Afrika
Uganda
South Africa
Eropah
Germany, Hungary, Italy, Spain
Germany, Greece, Italy, Scotland, Turkey
lain
tanah penggembalaan, mid-Atlantik ridge
tanah penggembalaan
Amerika Utara
USA
Canada, USA
Amerika Selatan
Bolivia, Brazil
Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, Queensland