Asia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
Russia, South Korea
Afrika
Cameroon, East Africa, Tanzania, Western Africa
Western Africa
Eropah
United Kingdom
United Kingdom
lain
belum menemukan
belum menemukan
Amerika Utara
Canada, USA
USA
Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador
belum menemukan
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, Western Australia
Central Australia, Western Australia