Asia
China, India
Bangladesh, China, India, Russia
Afrika
Morocco, Namibia
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Eropah
Austria, Italy, Romania, Spain, Switzerland
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
lain
belum menemukan
belum menemukan
Amerika Utara
Mexico, USA
USA
Amerika Selatan
Brazil, Kolumbia
Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
deposito di oceania benua
Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand, Queensland, Victoria, Western Australia