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The yellowing and graying of certain Italian and Greek white marbles is a common problem that I see all over the country. There are several possible causes for this condition: Maintenance technique-Take a close look at your maintenance program. Are... Read More

Marble and granite can certainly be mixed in various patterns on a floor. Different finishes, such as honed and polished, can also be mixed. While these combinations can be very attractive, their maintenance and eventual restoration must also be... Read More

Pricing granite work is very difficult and will vary from region to region. At the time of this writing, I have seen prices as low as $7.00 per square foot to as much as $30.00 per square foot. The size of the job, the type of granite etc. are all... Read More

Polishing black granite is very difficult and requires a lot of patience and is very time consuming. Here are several suggestions which should help: Make sure you are using a granite polishing compound.* Marble polishing powders will not work on... Read More

There is no standard grit size that determines when marble is honed. Generally a 120 or 400 grit is honed, but this will vary from marble to marble. Perform several test patches and determine which grit will give you or your customer the appearance... Read More

How can I prevent hard water spots in my polished granite shower? Hard water deposits can build up on polished granite in a shower, leaving behind an unsightly residue. Here are suggestions for preventing those hard water deposits. If you already... Read More

Q. I used an oil stain remover made for natural stone on my light whitish-gray quartzite to remove a very faint oil ring. I did only one section and the area turned white, almost bleached. From what I could tell, the stain was gone. I contacted... 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. What is the best way to remove ivy and other vines from brick, stone, and masonry walls?  A. Ivy growing on the side of a home or building creates a feeling of warmth, reassurance, and interest, however the tendrils or aerial roots can grow into... Read More

  Q. I have a shower floor that has small stones of different colors and it is yellowing in 3 places. This started right after it was installed. Someone told me it was iron in water. How do I get rid of the yellowing? It's in the grout and on... Read More