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