Black Marble tiles of Kishangarn, Zebra, Makrana , Dhabi or Doongri Zebra flooring 15mm to 20 mm thick of various sizes over 12.5 mm thick base of cement mortar 1:3 laid and joined with white cement slurry mixed with pigment to match the shade of marble including rubbing and polishing of Tiles Size 15 cm x 15 cm to 28 cm 28 cm