Corundum: 6-rayed star sapphire ring, Sri Lanka (33.6). © Joel E. Arem, PhD, FGA. Used with permission.
Translucent Blue Star Sapphire, 33.6 ct Cabochon in Ring from Sri Lanka
Corundum: 6-rayed star sapphire ring, Sri Lanka (33.6). © Joel E. Arem, PhD, FGA. Used with permission.
Article: What are Gem Species and Gem Varieties?
Credit: Joel E. Arem, PhD, FGA
| Gemstone | Sapphire, Star Sapphire, Corundum |
| Natural or man made | Natural |
| Origin | Sri Lanka |
| Carat Weight | 33.6 |
| Jewelry type | Ring |
| Gem State | Cabochon |
| Color | Blue |
| Transparency | Translucent |
| Photo phenomena | Asterism |