Asia
Japan, Oman
Afghanistan, Indonesia, Japan, Russia
Afrika
South Africa
Kenya
Eropah
France, Germany, Italy, Venezuela
Greece, Hungary, Iceland, Italy, Turkey
lain
pulau hawaii, mid-Atlantik ridge
belum menemukan
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
belum menemukan
Argentina, Chili, Ekuador, peru
deposito di oceania benua
Australia
Not Yet Found
New Zealand