Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
China, India
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Eropah
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden
Germany, Iceland, Ireland, Italy, Spain
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil, Chili, Kolumbia, uruguay, venezuela
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
deposito di oceania benua
Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia
New Zealand, Queensland, Western Australia