bedak karbonat dan nephelinite cadangan
Afrika
Ethiopia, Ghana, Western Africa
Rwanda, Tanzania
Eropah
England
Not Yet Found
lain
belum menemukan
pulau hawaii
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Argentina, Bolivia, uruguay
Kolumbia
deposito di oceania benua
Australia
Central Australia, South Australia, Western Australia
Not Yet Found