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Some botticino marble have areas that are soft. These soft areas are the cause of the dull spots you describe. The polishing powder is eroding these soft spots. There are several techniques for polishing these dull areas. First, do not use polishing... Read More

Many green marbles will not have the depth of shine that other marbles have. The greens from Asia are some of these types. The surface will have a good shine but little clarity.Unfortunately there is not much that can be done to give the stone any... Read More

Q. What are those white dots on my white marble?   A. This article, by Frederick M. Hueston, Stone Forensics, provides the answer.Have you ever wondered what those white dots are on white marble? You sometimes see thousands of them in high... Read More

Q. I spread a dark blue hand towel on the counter top and was working on it, when I removed the towel a couple hours later a darkened stain/discoloration was left behind that outlined where the towel was. I tried Stonetech Cleaner on it, but it won... Read More

Q. I have an (intentionally) distressed marble seat in my shower. After years of use, there is a build up of white on top of it. How do I get ride of it? Thanks.   A. White residue on the top of stone can be attributed to several things. Ask... Read More

Q. We just recently had a white marble installed on our bathroom floor and just noticed the section that is getting no sun from our window (it is being blocked from our tub deck) is yellow. It does have a heating system installed under it. Do you... Read More

Q. How do you wax hone finish travertine floors?  A. We do not recommend waxing travertine floors or any other stone floor for the following reasons: Waxes are topical coatings which are much softer than the stone and will mar and scuff easily.... Read More

Q. I have installed a stained glass wall and pond. The mosaic sits on a mortar base, redguard sealer, then more mortar to level the surface. The glass mosaic is put up with latacrete. All of this is put on to a 8 x 16 block wall. One side is peeling... Read More

  Efflorescence - Removal and Prevention   By Frederick M. Hueston www.stoneforensics.com The crystallization of soluble salts in Historic masonry causes severe deterioration of the substrate. This crystallization is called... Read More

Q. I am thinking of installing travertine tiles in my bathroom shower and would like to know if there are any problems with this type of stone in a shower stall and how difficult it is to clean? A. Travertine is essentially hard water deposits in... Read More