Star sapphires feature some of the most spectacular and well-known examples of asterism, like the 330-ct “Star of Asia," on display at the Smithsonian Museum of Natural History. Photo by Tim Evanson. Licensed under CC By-SA 2.0. (Cropped to show detail).
Translucent Blue Star Sapphire, 330 ct Cabochon from Sri Lanka
Star sapphires feature some of the most spectacular and well-known examples of asterism, like the 330-ct "Star of Asia," on display at the Smithsonian Museum of Natural History. Photo by Tim Evanson. Licensed under CC By-SA 2.0. (Cropped to show detail).
Article: Cutting Star Gemstones: Tips for Beginners
Credit: Tim Evanson
| Gemstone | Sapphire, Star Sapphire, Corundum |
| Natural or man made | Natural |
| Origin | Sri Lanka |
| Carat Weight | <i class="fa fa-square facet-search-color-swatch" style="color:#452a8b"></i> violetish Purple (vP) |
| Gem State | Cabochon |
| Color | Blue |
| Transparency | Translucent |
| Photo phenomena | Asterism |