Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Russia
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Eropah
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela
England, Hungary, Iceland, United Kingdom
lain
belum menemukan
antarctica, tanah penggembalaan
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
belum menemukan
Argentina, Kolumbia, Ekuador
deposito di oceania benua
Australia
Not Yet Found
New South Wales, New Zealand, Queensland, South Australia, Western Australia