Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Japan, Turkey
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Egypt, Ethiopia, South Africa
Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
France, Greece, Iceland
lain
belum menemukan
belum menemukan
Amerika Selatan
Brazil, Chili
belum menemukan
deposito di oceania benua
Australia
New Zealand, Queensland, South Australia, Western Australia
New Zealand