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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 |
| 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 |
| 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 |
| 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 |
| 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 |
| [var. Amethyst] Gems & Gemology, Vol XXXVIII Spring 2002, pp 92-93 |
| Ikram Mineralogy |
| 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 |
Amethyst occurrence, Muqur District, Ghazni, Afghanistan