Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Not Yet Found
Afrika
South Africa, Western Africa
Uganda
Eropah
United Kingdom
Germany, Hungary, Italy, Spain
lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
Amerika Selatan
Brazil, Kolumbia, Paraguai
Bolivia, Brazil
deposito di oceania benua
Australia
Central Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia