Oh...and if you want a wet look, there are commercial sealants that will give tile a glossy--almost wax-like-- finish (again these just sit on top of the tile)...but make sure you go through the pr...

Working in the tile and stone industry for several years, I've seen my share of problems similar to this. Others may be right, it might be a calcium deposit from the water, and only consistent cle...

The veining seems to indicate a marble, and it could be one of the above-mentioned, as marble varies from batch to batch out of the quarry... Definitely look into stone sources in your...