Ursilite from Asia
Afghanistan | |
| Orris, G.J., Bliss, J.D. (2002) Mine and mineral occurrences of Afghanistan. Open-File Report 2002-110. US Geological Survey doi:10.3133/ofr02110 |
Tajikistan | |
| www.koeln.netsurf.de (1999) http://www.koeln.netsurf.de/~w.steffens/dara.htm |
| Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp. |