Cushion Buff Top Single Bevel Genuine Black Onyx With Hole
Single unit weight: -- lbs / -- kg
Single unit weight: -- lbs / -- kg
Black Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of tiny quartz crystals not visible to the naked eye. Natural black chalcedony is exceptionally rare — virtually all black chalcedony on the market is grey chalcedony that has been chemically treated to achieve its characteristic deep, shiny black color. Black Onyx is the top-selling chalcedony in the jewelry market and has a rich history in Art Deco design. These cushion buff top, single bevel cabochons feature a drilled hole and uniform opaque black color, making them well-suited for pendants, earrings, and other fabricated jewelry applications.
| Stone Type | Black Onyx (Dyed Black Chalcedony) |
|---|---|
| Treatment | Dyed |
| Shape | Cushion Buff Top, Single Bevel |
| Feature | Drilled hole |
| Transparency | Opaque |
| Color | Uniform black |
| Care | Warm soapy water; ultrasonic and steam cleaning generally safe |
| Sold As | Individual stone |
| Part # | Stone Size |
|---|---|
| 947-452 | 12mm x 10mm |
| 947-453 | 14mm x 12mm |