In the image below, the Glossy setting is not ideal as we can see a clear reflection of the adjacent pool and concrete wall. The stone is not reflective however, it did darken up the mortar joints.

However, if you're simply looking to shore up the brick or stone with new mortar, repointing may be a better option. If bricks or stones are falling from a wall, never attempt to repair them by simply ...

“The stone veneer system is a plaster wall assembly. We usually see the stone right up against the window or there’s mortar right up against the window.” Most people are surprised to learn ...