Possibly from collection of Rt Hon Charles Greville in 1810. Emerald is a variety of beryl (beryllium aluminium silicate). The green colour is attribu

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Possibly from collection of Rt Hon Charles Greville in 1810. Emerald is a variety of beryl (beryllium aluminium silicate). The green colour is attributed to small amounts of chromium.

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Size: 4707px × 3791px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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