“Gemstone (Sardonyx) Cameo,” portrait of the Roman emperor Trajan and his wife Plotina, ca. 105-115 AD, the British Museum, by Carole Raddato. Licensed under CC By-SA 2.0.
Translucent Orange Chalcedony Carved
"Gemstone (Sardonyx) Cameo," portrait of the Roman emperor Trajan and his wife Plotina, ca. 105-115 AD, at the British Museum, by Carole Raddato. Licensed under CC By-SA 2.0.
Article: What is my Birthstone?
Credit: Carole Raddato
| Gemstone | Quartz, Chalcedony |
| Natural or man made | Natural |
| Gem State | Carved |
| Color | Orange |
| Transparency | Translucent |
| Multi-color | Tri-color |