Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
South Africa, Western Africa
Kenya, Morocco, South Africa, Tanzania
Eropah
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
Brazil, Kolumbia, Paraguai
Bolivia, Brazil
deposito di oceania benua
Australia
Central Australia, Western Australia
New South Wales, Queensland, South Australia, Western Australia