Cabochon in Black Onyx.
This cabochon is ideal for making DIY costume jewelry.
Black onyx stone is not originally black. It is treated by being immersed in a solution of black sugar and acid. The soft, porous nature of the stone allows the solution to soak in. After immersion, the stone is then heated. This is a common process that makes the colour deeper and longer lasting.
Making jewelry with cabochons is not difficult, you just need to know a few basic techniques.
If you are a beginner, we give you tips and tricks to learn the basics of creating DIY costume jewelry.
You can also : learn how to make a sliding knot or how to make a bracelet with elastic thread.
Unset.
Length: 14 mm
Width: 10 mm
Attention, each piece is unique and can present important differences with the photo.
The onyx belongs to the Chalcedony family. This stone can come in several colours: transparent, white, black with white or brown stains.
In order to give them a uniform black colour, black onyx beads and stones are dyed thanks to a long treatment process.
Sold per piece.











