Yes this is quite common. The interaction of different surfaces is very appealing for outdoor areas and is more freqnetly specified by architects and landscape designers.

There are two types of pebble mix. One is the old glue on type and the other is what is often called exposed pebble mix.

Acid Etching should be completed by a trained professional. Note that there is no acid left at the end of the procedure. The final finish is a remarkable non slip surface that is pleasant to look at, touch and walk on.