Asia
Cambodia, Russia, South Korea
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
East Africa
Kenya, Morocco, South Africa, Tanzania
Eropah
England, Germany, Hungary, Iceland, Scotland, Sweden
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
lain
pulau hawaii
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
USA
Canada, Mexico, USA
Amerika Selatan
belum menemukan
Bolivia, Brazil
deposito di oceania benua
Australia
Victoria
New South Wales, Queensland, South Australia, Western Australia