Afrika
Angola, Botswana, Cameroon, Ethiopia, South Africa
East Africa, Western Africa
Eropah
England, Hungary, Iceland, United Kingdom
England, Romania, Scotland
lain
antarctica, tanah penggembalaan
belum menemukan
Amerika Utara
Canada, Mexico, USA
Canada, USA
Amerika Selatan
Argentina, Kolumbia, Ekuador
belum menemukan
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Central Australia, Western Australia