Natural stone tiles Black Sumatra made of pebble stones. Tile model: Pebble tiling Black Sumatra Packing: crate approx. one square meter. Tile thickness: 8 – 10 mm. Tile size [cm]: 10×30 and 15×30. Single stone size: various. Stone colour: black, dark green, dark grey. Application: pebble stone mosaic tiles for walls, floors, pavements, chimneys, swimming …