Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Not Yet Found
Afrika
Namibia, Nigeria, South Africa
Egypt
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Finland, Germany, Italy, Romania, Sweden, Turkey
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru
deposito di oceania benua
Australia
New South Wales, New Zealand
New Zealand, South Australia, Western Australia