Asia
China, India, Kazakhstan, Mongolia, Russia, Thailand, Uzbekistan
Not Yet Found
Afrika
Namibia, Nigeria, South Africa
Namibia, Uganda
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Germany, Hungary, Italy, Portugal, Spain
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil
belum menemukan
deposito di oceania benua
Australia
New South Wales, New Zealand
New Zealand, Western Australia