Asia
Not Available
Japan, Oman
Afrika
South Africa
South Africa
Eropah
England, Finland, United Kingdom
France, Germany, Italy, Venezuela
lain
antarctica, tanah penggembalaan
pulau hawaii, mid-Atlantik ridge
Amerika Utara
USA
Canada, USA
Amerika Selatan
Kolumbia, uruguay
belum menemukan
deposito di oceania benua
Australia
New Zealand, Western Australia
Not Yet Found