Black Onyx Gemstone Round Flat-Back Cabochon 25mm (1 Piece)
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- Smooth polished onyx gemstone.
- Flat back round cabochons, suitable for gluing into bezel settings, onto flat back bails, even directly on to fabric.
- There are many suitable adhesives - one that we recommend is E6000.
- Cabochons have a flat back and are not drilled. These are a classic round shape with a smooth surface and they are a standard size that fits many styles of setting, both vintage and modern.
- Please check dimensions to make sure they will fit your project.
- Approximate Measurements: 25mm in diameter. 6-7mm thick.
- Quantity: 1 Cabochon
- Due to the nature of this gemstone, there will be some variation amongst the pieces, including inclusions and color.
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