Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
-
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Uganda
Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
Amerika Selatan
Brazil, Chili
Bolivia, Brazil
deposito di oceania benua
Australia
New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia