Asia
India, Pakistan, Russia
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
Ethiopia, Kenya, Morocco, South Africa
Kenya, Morocco, South Africa, Tanzania
Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
USA
Canada, Mexico, USA
Amerika Selatan
Kolumbia, Ekuador, peru
Bolivia, Brazil
deposito di oceania benua
Australia
New South Wales, Victoria, Western Australia
New South Wales, Queensland, South Australia, Western Australia