1. It’s harder to clean. This isn’t to say stone is necessarily hard to clean. It just requires a little more elbow grease than a glass mosaic does. The pits and grooves make it more ...

Marcia Westcott Peck MARCIA: About 27 years ago, I made my first stone mosaic. I used a traditional ... If the concrete is slightly hard and holds together and isn't soft, I begin, carving at ...