Super white / calacatta quartzite countertop - cleaning? Staining?
9 years ago
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- 9 years ago
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Granite or Quartzite Counter"Super White" is actually a Dolomite?
Comments (11)Thanks karin for posting truthful info. Yeah this dealer seemed to know more than other yards. I went to a couple others and saw Super White or similar ones labled as "quartzite" and was told by them that Super White was very strong etc. From the stone yard I got a Dolamite, Quartzite and Granite sample here are results of a glass/ scratch test: I tried a scratch test and the "Super white" Dolamite did not pass the Glass test where you try to scratch a glass bottle. The White Macauba Quartzite easily scratched the glass. A third Granite sample also scratched the glass I then did a scratch test first with a spoon and the Dolamite, Quartzite, granite all passed without getting scratched when I pushed hard on them The final test I did was with a sharp serrated plier. This could not scratch the quartzite, barely scratched the granite and easily scratched the "super white" Dolomite I guess the super white is no good I'll do an acid test later with lemon/ vinegar and stain test with wine....See MoreCountertops: Super White, Carrara or Other?
Comments (37)Hello 2littlefishies, Thats a great question-calcareous stones or any stone that has calcium in its makeup will always etch. It is just a chemical reaction.The calcium neutralizes the acid resulting in a dull spot. However if you compare etching on a highly polished surface to a very matte surface depending on the stone their will be a difference in the look. Also if you knew at what level your surface was finished or honed to or at. It would be possible to use a series of abrasives to remove the etch and match the finish of the existing surface. There are some companies or folks who will use acids to etch stone. In some cases they are going after a particular look.In other cases they are taking a shortcut to produce a honed finsh or reverse a slab that was delivered incorrectly(such as polished and should have been honed). Or a customer changed their mind after the polished slab was delivered and installed. First their are many different types of acids having various strength's and properties. From weaker citric acids up to hydrocholoric acids and beyond. I have seen these types of finishes (using acids)done and they never seem as uniform(blotchy) as when abrasives are used. Because stone will contain various mineral components and depending on the acid used some minerals may be adversely affected . I have seen veins become pitted and or eroded though the use of acids. Acids seem to leave the surface rough and the pores open attracting and holding soils. An example of this would be an etch on your white or light marble countertop or around a commode will if not refinished will turn dark or black overtime as it holds soils. Using progressive grits of diamond abrasives and finishing with an aluminum oxide wet slurry produces one of the most uniform matte finishes I have seen. While honing to a matte finish may make the etching less pronounced it can make the surface more susceptible to staining agents. Using the proper impregnating sealers applied correctly and maintaining with ph neutral no rinse cleaners will extend the life of the sealers and protect the suface from staining. Impregnating sealers will do nothing to protect the surface from etching however. There are some new products on the market to protect marble from etching and staining. They are coatings something I have never felt was appropriate for stone surfaces. In the past these coatings made the stone look like plastic and phony. Have a look at clearstoneusa and drytreat. We all know dry treat as they have been making stone sealers for a long time. They now have a product called vitremela for marble.Both these products are quite different. Because they are new there are pro and cons to each. These type of coatings may not be for everyone. At this time dry treat offers no warranty on their product as it has a life of under 5 years. Clearstone offers a warranty with their product. Both products can be polished or honed. I hope my answer wasnt too long....See MoreHow to remove red crayon stain on White Macaubus quartzite counter?!
Comments (6)Thanks for the suggestions and confidence! Our installer recommended using acetone, but I didn't have any around and was slightly concerned it might take off the sealer as well. In the end I gently used the magic eraser and then rinsed well and wiped dry and I no longer have the pink marks! But just a note that Quartz and Quartzite aren't the same thing. Luckily it seem to have worked for me, but I did test it on the old sample piece I had laying around first to make sure....See MoreAre my cabinets too yellow for the white super quartzite counter?
Comments (19)@karin_mt question for you...we have decided that we won’t be able to live with the inevitable etching associated with marble, so think we are going to go with quartzite. We were given a sample of a white quartzite called bianco-namibia. It’s been characterized as a “soft quartzite” which I know from reading these groups means it’s a marble. I did the stain test and it didn’t etch at all from lemon juice left on it over night. There isn’t really a sharp end on the sample, but couldn’t really get it to cut a glass bottle with its side (more crumbly which once again leads me to believe it’s a marble). But if it’s a marble, why doesn’t it stain and etch?...See MoreRelated Professionals
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