Asia
China, India
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Morocco, Namibia
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Eropah
Austria, Italy, Romania, Spain, Switzerland
Bulgaria, England, Germany, Norway, Romania, Switzerland
lain
belum menemukan
belum menemukan
Amerika Utara
Mexico, USA
USA
Amerika Selatan
Brazil, Kolumbia
Brazil, Chili
deposito di oceania benua
Australia
New South Wales, Queensland, Yorke Peninsula
New Zealand, Queensland, South Australia, Western Australia