Asia
India, Russia
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
Ethiopia, Somalia, South Africa
Kenya, Morocco, South Africa, Tanzania
Eropah
Iceland
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
Brazil
Bolivia, Brazil
deposito di oceania benua
Australia
Not Yet Found
New South Wales, Queensland, South Australia, Western Australia