Sardonyx cameo in a gold frame of the Emperor Augustus on the horns of a double-headed goat (2.8 cm), Roman, 27 BCE-14 CE. Gift of Milton Weil, 1929. Metropolitan Museum of Art, New York. Public Domain.
Opaque Orange Chalcedony Carved in Other
Sardonyx cameo in a gold frame of the Emperor Augustus on the horns of a double-headed goat (2.8 cm), Roman, 27 BCE-14 CE. Gift of Milton Weil, 1929. Metropolitan Museum of Art, New York. Public Domain.
Article: Onyx Properties, Varieties, and Jewelry Information
Credit: Metropolitan Museum of Art
| Gemstone | Quartz, Chalcedony, Onyx |
| Natural or man made | Natural |
| Width | 28 |
| Jewelry type | Other |
| Gem State | Carved |
| Color | Orange, White |
| Transparency | Opaque |
| Multi-color | Bi-color |