Esmeralda
[[File:Béryl var. émeraude sur gangue (Muzo Mine Boyaca - Colombie) 2.jpg|right|thumb|Emerald crystal gikan sa [[Muzo]], [[Colombia]]]]

An '''esmeralda''' iyo an [[gapong alahas]] asin an baryedad kan [[mineral]] [[beryl]] (Be<sub>3</sub>Al<sub>2</sub>(SiO<sub>3</sub>)<sub>6</sub>) kolor [[berde]] na igwa nin gira nin [[chromium]] o kun minsan [[vanadium]].<ref name="Hurlbut">Hurlbut, Cornelius S. Jr. and Kammerling, Robert C. (1991) ''Gemology'', John Wiley & Sons, New York, p. 203, {{ISBN|0-471-52667-3}}.</ref> An beryl igwa nin [[Katagasan (siyensya materyal)|katagasan]] nin 7.5–8 sa [[Mohs scale of mineral hardness|Mohs scale]].<ref name="Hurlbut" /> An kadaklan kan esmeralda igwa nin dakol na [[Inklusyon (mineral)|materyal na naluom sa laog durante kan pormasyon kan mahalagang gapo]],<ref>{{cite web|title=Emerald Quality Factors|url=https://www.gia.edu/emerald-quality-factor|website=GIA.edu|publisher=Gemological Institute of America|access-date=1 November 2016|url-status=live|archive-url=https://web.archive.org/web/20161102090527/http://www.gia.edu/emerald-quality-factor|archive-date=November 2, 2016|df=mdy-all}}</ref> kaya baga an saindang katagasan (resistance to breakage) pigklasipikar bilang maluya sa pangkagabsan. An esmeralda iyo an sarong [[cyclosilicate]].

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An esmeralda iyo an gapong alahas asin an baryedad kan mineral beryl (Be3Al2(SiO3)6) kolor berde na igwa nin gira nin chromium o kun minsan vanadium.Hurlbut, Cornelius S. Jr. and Kammerling, Robert C. (1991) Gemology, John Wiley & Sons, New York, p. 203, . An beryl igwa nin katagasan nin 7.5–8 sa Mohs scale. An kadaklan kan esmeralda igwa nin dakol na materyal na naluom sa laog durante kan pormasyon kan mahalagang gapo, kaya baga an saindang katagasan (resistance to breakage) pigklasipikar bilang maluya sa pangkagabsan. An esmeralda iyo an sarong cyclosilicate.

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