Thanks for your message, our apologies that we didn't reply sooner.
The tile used here is from a local supplier Rivoland Tiles. The tile is Atlas Concord / Marvel Pro/ Grey Flurey. Link below;
The Dept of Design Team
New Marble Tile Shower Problems
Marble hexagon floor tiles in bathroom. Am I mad?
HELP! What tiles should i use for my laundry splashback please?
What colour new tiles for these existing tiles?