Смарагд — разлика између измена

нема резимеа измене
* Weinstein, Michael (1958). ''The World of Jewel Stones''. Sheriden House.
* {{cite book|last=Nassau|first=Kurt|title=Gems made by man|location=|publisher=Gemological Institute of America|year=1980|id=ISBN 0-87311-016-1|pages=}}
* [http://www.gemecology.org Ali, Saleem H. (2006). The Emerald City: Gemstone mining in Brazil]
* [http://www.casmsite.org World Bank: CASM Initiative]
* [http://www.gemstone.org/gem-by-gem/english/emerald.html]
* http://www.mindat.org/min-1375.html
* http://mineral.galleries.com/minerals/gemstone/emerald/emerald.htm
 
== Види још ==
* [[Списак минерала]]
 
== Спољашње везе ==
{{Други пројекти
| commons = Emeralds
| wikinews =
}}
* [http://www.gemecology.org Ali, Saleem H. (2006). The Emerald City: Gemstone mining in Brazil]
* [http://www.casmsite.org World Bank: CASM Initiative]
* [http://www.gemstone.org/gem-by-gem/english/emerald.html]
* http://www.mindat.org/min-1375.html
* http://mineral.galleries.com/minerals/gemstone/emerald/emerald.htm
 
{{Минерали}}
[[Категорија:Минерали]]