This is how you design the mosaic:
Coat the wooden candle holders with wood stain and allow to dry thoroughly. Then you can place the mosaic stones on the candlesticks as you wish using mosaic glue.
As soon as the glue has dried, you can apply mosaic grout, which is mixed with water in advance, with a brush. For the mixing ratio, read the instructions on the product packaging. You can remove any residue with a damp painting sponge after approx. 8-10 minutes of binding time.
After the mixture has dried, apply the joint finish with a soft brush.
Now you can decorate the candle holders with the Posca markers and paint on borders and patterns.
The natural mosaic stones can also be finished with a clear varnish.