An Introduction to Tile Types
There are several types of tile:
Ceramic tiles are made from pressed clays covered with a glaze of metallic oxides and ceramic stains or finished with a matte surface.
Porcelain mosaic tiles are baked at a higher temperature, which makes them thicker. Their color also goes through the tile, rather than only covering the surface.
Quarry tile is an unglazed mix of shale and clays that also has color throughout.
The spaces between the tiles are filled in by grout. An epoxy grout is recommended to help resist stains. It's usually best to choose a grout that closely matches the color of the tiles.
Recommended flooring support
Cementitious backer board.
Many sizes, patterns, and colors to choose from
Glazed tile resists staining and doesn't require special cleaning or other maintenance
Suitable for radiant heat
Glazed tile with no texture may be slippery and pose a safety hazard for the elderly and young children
Unglazed tile needs to be treated occasionally with sealants
Tile, like stone, can be a little hard on the feet if you spend a lot of time in the kitchen
Individual tiles may crack over time; try to get some extra ones with your original batch so that the replacements will match the other pieces
About $8-$100 per square foot.