Asia
India, Saudi Arabia, Singapore, South Korea
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
Ethiopia, Western Africa
Kenya, Morocco, South Africa, Tanzania
Eropah
England, Georgia, Switzerland, United Kingdom
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
Canada
Canada, Mexico, USA
Amerika Selatan
Kolumbia
Bolivia, Brazil
deposito di oceania benua
Australia
Central Australia, New South Wales, New Zealand, Western Australia
New South Wales, Queensland, South Australia, Western Australia