Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Russia, South Korea
Afrika
Namibia, Nigeria, South Africa
Western Africa
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
United Kingdom
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
Central Australia, Western Australia