Asia
China, India
China, India
Afrika
Namibia
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Eropah
Italy, Spain
Germany, Iceland, Ireland, Italy, Spain
lain
belum menemukan
belum menemukan
Amerika Utara
Not Yet Found
Canada, USA
Amerika Selatan
belum menemukan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, Victoria
New Zealand, Queensland, Western Australia