Stone Myths By Frederick M. Hueston www.stoneforensics.com Over the past 20years I have heard many stories about the reasons stone will fail, turn color, fade or what ever. Many of these stories are funny and almost all of them are just plain... Read More

Curling in green marble can be a serious problem when the marble is set in a wet mud or thin-set. The Marble Institute of America recommends that green marble be set with an epoxy-based compound. Check with the installer and see what has been used to... Read More

It depends on what kind of green marble you have. I would guess that the green marble in your bathroom is an Asian green. If this is the case, you will never get a deep shine on this marble. These stones characteristically have a clouded shine. If,... Read More

First, you need to determine whether or not the white specks you describe are on the surface of the marble. If you can’t clean them off, chances are they lie below the surface of the marble. If this is the case, it is possible that there are... Read More

The green growth you see is probably algae. Algae usually grows were there is abundant moisture. My guess would be that the tile stays wet after a rainstorm, allowing the algae to grow. To clean it, prepare a solution of bleach and water; about one... Read More

There is only one solution for this problem--replace the tiles. Some green marbles are very susceptible to curling when they are installed using a water based setting material. The installer should have used a water-less setting material such as... 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

If a stone fountain has a copper basin, chances are the stone may get green discoloration. The hard, green deposits are a combination of calcium deposits from the water and copper from the basin. The easiest way to remove them is to use a pressure... Read More

Both granite and marble make excellent counter tops, depending on the counter’s intended use. Marble is sensitive to acids, which can make it difficult to keep polished in a kitchen. Granite, by contrast, is acid-resistant, and can make an... Read More

The color in all stone is derived from minerals and organic matter. For example red marbles are red due to the presences of iron. Green marble gets its color from a mineral called serpentine and so forth. There are several excellent books on rock and... Read More