Yellow gold brooch and earrings with onyx cameos, featuring classic black base colors and white upper layers. Photo courtesy of liveauctioneers.com and Leighton Galleries.
Opaque White Chalcedony Carved in Brooch
Yellow gold brooch and earrings with onyx cameos, featuring classic black base colors and white upper layers. Photo courtesy of liveauctioneers.com and Leighton Galleries.
Article: Onyx Properties, Varieties, and Jewelry Information
Credit: Leighton Galleries
| Gemstone | Quartz, Chalcedony, Onyx |
| Natural or man made | Natural |
| Jewelry type | Earrings |
| Gem State | Carved |
| Color | White, Black |
| Transparency | Opaque |
| Multi-color | Bi-color |