Pebble Mosaic Floor or Wall Texture
It is a mosaic floor made of different colours and shapes of pebbles.

It could be an ideal material for garden flooring.
 
Square Terracotta Mosaic Tiles
These are rough terracotta tiles which are suitable for outdoor flooring. They are orange with mosaic patches on the surface.

The SBSAR Substance Designer file gives you a chance to manipulate the corner radius turning a square into rounded square.

Of course, the amount and ratio of the tiles can be changed. Besides, tilt level, bevel level, grout color, grout width, edge wear level, specks and scratches can also be adjusted.
Victorian Octagon Monochrome Tiles
They are octagon black and white tiles having black diamond shapes at corners. The monochrome creates the Victorian style.

The SBSAR file gives user the possibility to change the colors of the large and small tiles, adjust the colors and amount of different dirt and dust. Besides, the edge wear and dents can be manipulated.
 
French Mosaic Tiles Texture
These are fan-shaped French mosaic tiles. Their colors are made of different tonal grey ranging from light grey to dark grey.

Dirt and dust could be found on the surface.

It is a splendid material for texturing pavement or sidewalk. It can be used for wall texturing though.
Colorful Mosaic Tile Texture
These colorful tiles are ideal materials for producing mosaic artworks. There is color variation on each tile. Besides, golden glitter was spread across the mosaic pieces creating many tiny sprinkles.

As it is designed to be used for texturing art masterpieces, the tile layout is a bit random and the heights of tiles are uneven.

Dirt appear close to edges too.