Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
South Africa, Tanzania
Eropah
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela
Germany, Greece, Italy, Scotland, Turkey
lain
belum menemukan
antarctica, tanah penggembalaan
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
belum menemukan
Argentina, Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
Not Yet Found
Central Australia, New Zealand, Queensland, Western Australia