Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Afrika
Angola, Egypt, Madagascar, Nigeria, South Africa
Egypt, Ethiopia, Ghana, South Africa
Eropah
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
lain
belum menemukan
tanah penggembalaan
Amerika Utara
Canada, USA
Canada, Cuba, Jamaica, USA
Amerika Selatan
belum menemukan
Bolivia, Brazil, Kolumbia, Ekuador, Paraguai
deposito di oceania benua
Australia
Not Yet Found
New South Wales, New Zealand, Western Australia