Are they glazed, or is the color on the face also through the whole body of the tile?

I don't think they are glazed; the surface is smooth but not shiny like a subway tile, for example.

Here is a link that might be useful: Azuvi website pix

Can porcelain tile be ground down slightly?

That's the reason for Bill's question.

Somewhat simplified:

If the tile had a cream-colored interior and it was covered with a black glaze, grinding it down might not be the best thing to do as it would expose the light interior of the tile against the black glaze.

With natural stone tile, or with through-body ceramic/porcelain tiles, where the tile is essentially the same color throughout, then you could possibly grind the lippage down a bit. Exposing the interior will not create a big color clash with the glaze, since they are essentially the same color.

Mongo

Sorry, Chris-- I lost track of this thread!

There are times when I lose track of the entire forum!

Mongo

You guys are saints for all the track keeping you do! I think I speak for many others here with heartfelt thanks for all the advice.

BTW, I will try some grinding on a discarded tile piece, and see if it's possible. The tiles are somewhat varicolored, so could probably get away with going below the surface, if we can accomplish it.