Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
-
Afrika
South Africa, Western Africa
Uganda
Eropah
United Kingdom
Germany, Hungary, Italy, Spain
lain
-
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