Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Kenya, Morocco, South Africa, Tanzania
Eropah
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
belum menemukan
Bolivia, Brazil
deposito di oceania benua
Australia
Not Yet Found
New South Wales, Queensland, South Australia, Western Australia