Asia
China, India
India, Pakistan, Russia
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria
Ethiopia, Kenya, Morocco, South Africa
Eropah
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
lain
belum menemukan
belum menemukan
Amerika Utara
Canada, USA
USA
Amerika Selatan
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
Kolumbia, Ekuador, peru
deposito di oceania benua
Australia
Central Australia, Queensland, Western Australia
New South Wales, Victoria, Western Australia