The <a href="https://en.wikipedia.org/wiki/Star_of_India_(gem)" class="extiw" title="w:Star of India (gem)">Star of India</a> is a 563.35 carat (112.67 g) star sapphire, probably the largest such gem in the world. It is almost flawless and unusual in that it has stars on both sides of the stone. The greyish blue gem was mined in Sri Lanka and is now kept in the American Museum of Natural History in New York City.
This picture was taken by <a href="https://en.wikipedia.org/wiki/User:RenzokukenLH" class="extiw" title="en:User:RenzokukenLH">Daniel Torres, Jr.</a> on January 14, 2007.
Attribution
Transfered from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a> Transfer was stated to be made by <a href="//commons.wikimedia.org/wiki/User:Multichill" title="User:Multichill">User:Multichill</a>.