Asia
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
China, India
Afrika
Egypt, Ethiopia, Ghana, South Africa
Morocco, Namibia
Eropah
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Austria, Italy, Romania, Spain, Switzerland
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, Cuba, Jamaica, USA
Mexico, USA
Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
Brazil, Kolumbia
deposito di oceania benua
Australia
New South Wales, New Zealand, Western Australia
New South Wales, Queensland, Yorke Peninsula