Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
India
Afrika
Kenya, Morocco, South Africa, Tanzania
South Africa, Tanzania
Eropah
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Germany, Greece, Italy, Scotland, Turkey
lain
tanah penggembalaan, mid-Atlantik ridge
antarctica, tanah penggembalaan
Amerika Utara
Canada, Mexico, USA
Canada, USA
Amerika Selatan
Bolivia, Brazil
Argentina, Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, New Zealand, Queensland, Western Australia