This 14k yellow gold Victorian mourning brooch features a 2” polished onyx oval and marcasites set in a silver floral crest. Photo courtesy of liveauctioneers.com and GWS Auctions Inc.
Opaque Black Chalcedony Cabochon in Brooch
This 14k yellow gold Victorian mourning brooch features a 2" polished onyx oval and marcasites set in a silver floral crest. Photo courtesy of liveauctioneers.com and GWS Auctions Inc.
Article: Onyx Properties, Varieties, and Jewelry Information
Credit: GWS Auctions Inc
| Gemstone | Quartz, Chalcedony, Onyx |
| Natural or man made | Natural |
| Height | 50.8 |
| Jewelry type | Brooch |
| Gem State | Cabochon |
| Color | Black |
| Transparency | Opaque |