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Welcome to Our Website Blog!

You will find useful information about natural stone and man made quartz products here...

International Granite and Marble is one of the leading suppliers of natural stone in the US. Here in our blog we will try to deliver interesting and helpful tips to make your interaction with our products the very best that it can be. As always, we are here to help you in any way, especially during the selection process of your stone. Please use the "Location" pages to select the warehouse location nearest you and call the telephone number listed.

Leathered is the new buzz word...

For many years now, the natural stones that IGM has sold have been available in either a polished finish or a honed finish. A polished finish is "shiny" and brings out the full color of the stone. A honed finish also brings out the color of a stone, but is not shiny. It is more of a "matte" look. Both are smooth to the touch. Now, stone factories are offering a textured finish called "leathered." Different companies call the finish by different names, such as "antiqued" or "brushed" . All of these names refer to a similar process where diamond tipped brushes are spun across the surface of the stone and the softer elements of the particular material are worn down, creating a textured surface, simialar to the texture of a real cowhide leather.

Most materials can be leathered...

IGM is stocking a collection of leathered materials that have been imported from overseas factories. However, most of our locations have arrangements with local shops that can process most any of the other materials that we stock that only have the polished or honed finish. Please consult your local warehouse for more details.



Travertine is back...

With many uses, travertine has becom popular again. For a long time, the cross-cut version in a honed finish was the go-to material for bathrooms, fireplaces and floors. Now, the polished veined versions are making a comeback. Many people ask "Is travertine a durable stone?" The answer I always give is that Rome is paved with travertine from centuries ago and it is still there! Roman and Navonna are the two most well known colors from Italy. Now we have other Italian selections to choose from. The newest is Titanium Travertine. Silver Travertine is also available now that the quarry has been re-worked. For the budget conscious, there is the Platinum Travertine. You can see these materials here.



Get to know yur stone...

The first step in proper stone care and maintenance is to understand your stone's geological classification and composition. this information will help you to identify what cleaning products to use and how best to care for your natural stone.

Natural stone is categorized into three basic geological classifications by their respective formation processes: Sedimentary, Metamorphic and igneous. Additionally, stones in each category can be either Calcareous or Siliceous.

Calcareous stone is composed mainly of calcium carbonate, a chemical compound commonly found in natural stone, shells and pearls. Calcium Carbonate is sensitive to acidic solutions so mild, non-acidic cleaners are recommended.

Siliceous stone, as the term implies, is one composed primarily of silicates, such as quartz, feldspar, mica, etc. as such, a siliceous stone is generally resistant to most acids found in kitchen settings, although acidic cleaners are still not recommended, as these stones may contain trace levels of minerals that are acid sensitive.

Easy Care Tips....


  • Clean stone surfaces with a neutral cleaner, stone soap, or a mild liquid dishwashing detergent and warm water.
  • Similar to any item cleaned in your home, an excessive concentration of cleaner or soap may leave a film and cause streaks. Follow manufacturer recommendations.
  • Use a clean rag mop on floors and a soft cloth for other surfaces for best results.
  • Rinse the surface thoroughly after washing with the soap solution and dry with a soft cloth.
  • Change the rinse water frequently.
  • In the bath or other wet areas, soap scum can be minimized by using a squeegee after each use. To remove soap scum, use a non-acidic soap scum remover or a solution of ammonia and water (about 1/2 cup ammonia to a gallon of water). Frequent or over-use of an ammonia solution may eventually dull the surface of some stone types.
  • In outdoor pool, patio or hot tub areas, flush with clear water and use mild bleach solution to remove algae or moss.

Cleaning Products:

  • Many suppliers offer products used for stone cleaning.
  • Products containing lemon, vinegar or other acids may dull or etch calcareous stones.
  • Scouring powders or creams often contain abrasives that may scratch certain stones.
  • Many commercially available rust removers (laundry rust stain removers, toilet bowl cleaners) contain trace levels of hydrofluoric acid (HF). This acid attacks silicates in addition to other minerals. All stones, including granite and quartzite, will be attacked if exposed to HF.
  • Do not mix ammonia and bleach. This combination creates a toxic and lethal gas.