![](http://www.alamy.com/thumbs/6/5BEC6754-E6F3-4127-8BA3-9E7A93DE020D/2ADF1Y7.jpg)
A green sapphire, one of the gem varieties of corundum, set in a gold ring.
Size: 5194px × 3622px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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