Emeralds
Emerald is a variety of beryl (beryllium aluminum silicate). The green colour is attributed to small amounts of chromium. Specimens from the Natural History Museum, London. Photographed by Frank Greenaway
Picture No
10713298
Media ID
47593507
Size
3452px x 4793px
(3.6MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Aluminium Aluminum Beryl Beryllium Cyclosilicate Emerald Facet Gemstone Geological Greenaway Mineral Mineralogy Silicate Teardrop
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