Did you see the second slab before they fabricated? If you agreed to that slab, then no, you do not have the right to ask them to replace it again. It's not a quality issue. Super White is not quartzite, it's Dolomite. Dolomite is susceptible to staining, etching and scratching. It's harder than marble, but not as durable as granite. The only issue that you can blame on the fabricator would be the "halo", as it looks like they attempted to surface polish that area.

This is the nature of SUPER WHITE. It is part marble, part quartzite.......depending slab. It is quite possible to have one slab look just as another.........and behave differently..........

" Super White is most often closest to a quartzite (and in many cases is actually a quartzite). Wait, you ask, how can it be more than one kind of stone?

Most stone quarries are huge, and the exact makeup of mineral
deposits will change from one part to the other. As geologist Karen Kirk
points out
some Super Whites are calcite marbles (known for being softer), some
are dolomite marbles (often harder and more resistant to scratching),
and some are true quartzite, which will actually hold up like granite
when properly sealed.

Properly sealed, Super White Quartzite
has a much lower risk for etching, staining, scratching, or chipping
than the traditional marbles used for counters.

In her article, Kirk describes how she used an acid test on pieces of
Super White to determine their mineral make-up and durability. We
recommend that if you do any testing, you use a sealed piece of Super
White. When it comes to white quartzite and marble, sealing with a
specialized, high-grade sealer can make a significant difference in the
resistance of your counter top to staining."

Well. I think you have a replacement slab that is more the soft content of marble......

There is NO such quartzite called Super white, this is a true marble. The exact name is Dolomaitte Marble ( that means, it contains Magnesium and it does not mean it makes it hard).

The majority of fabricators sell this material as Quartizite erroneous.

Tneale2, yes, standing water can etch marbles. If you hone the countertops, the etching and scratching will be less noticeable.

Your replacement slab wasn't mislabeled. Your supplier was just misinformed. The slab in your photo is definiately Super White. The first time this material came into our yard years ago, we were also told by the distributor that it was a quartzite. It's a common misconception and I have learned over the years to be wary of any white "quartzites". There are most likely areas of your new slab that are more durable than the areas where you now have rings.

It probably doesn't make you feel any better, but I think your kitchen, and your slab, is gorgeous even with the rings. I don't mind marble patina. I think it gives it character and I would put it in my kitchen in a heartbeat.

I have Super White Quartzite and when we bought the house there was a crack area that looked liked it had been glued and a scratch so the stone company where we bought it came out to buff it out. (WORST MISTAKE EVER)!!!!! The Quartzite was honed and then they polished to much and it looked awful so they came back another day to do the whole slab and it looks just as bad. We are hoping they do the right thing and get us another slab. Their reason is because manufacture has bigger pads then they do and they have to use small ones and can not get it to look the same. You can see where one guy worked in an area vs another guy. Ugh we are just sick over it since the island is so big.