Asia
Not Yet Found
Cambodia, Russia, South Korea
Afrika
Uganda
East Africa
Eropah
Germany, Hungary, Italy, Spain
England, Germany, Hungary, Iceland, Scotland, Sweden
lain
tanah penggembalaan, mid-Atlantik ridge
pulau hawaii
Amerika Selatan
Bolivia, Brazil
belum menemukan
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
Victoria