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