Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Japan, Oman
Afrika
Namibia, Nigeria, South Africa
South Africa
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Poland, Sweden, Switzerland, United Kingdom
France, Germany, Italy, Venezuela
lain
tanah penggembalaan
pulau hawaii, mid-Atlantik ridge
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil
belum menemukan
deposito di oceania benua
Australia
New South Wales, New Zealand, Western Australia
Not Yet Found