BIBLIOGRAPHY

1. Gubelin E. J. "Gemstones of Pakistan: Emerald, Ruby, and Spinel" Gems & Gemology Fall 1982 p. 123-139
2. Laurs B. M. and Dilles J. H. "Emerald Mineralization and Metasomatism of Amphibolite, Khaltaro Granitic Pegmatite-Hydrotherrmal Vein System, Haramosh Mountains, Northern Pakistan" The Canadian Mineralogist vol. 34 1996 p. 1253-1286
3. Sinkankas J. 1981 "Emeralds and Other Beryls" Pensylvania, Chilton Book Co. p.371-377