| | | Consumer Help Discuss, Water stains in Breccia Oniciata Marble at Consumer & Non-registered Lounge forum; Five months ago I installed Breccia Oniciata in the shower niche and as the countertop in our Master Bath. Where ... |
10-05-2007, 02:07 PM
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#1 (permalink)
| | Junior Member
Join Date: Apr 2007 Location: Boston, MA USA
Posts: 4
| Water stains in Breccia Oniciata Marble Five months ago I installed Breccia Oniciata in the shower niche and as the countertop in our Master Bath. Where water puddles beneath the shampoo container on the niche and from splashing around the sink, greyish/brownish blotches have emerged. The spots do not disappear when completely dry.
Separately, an etched ring, visible at certain angles to the light, has developed on the countertop where a wet mouth-rinse cup was left out overnight. I can just feel the ring with my fingernail.
Are the small spots around the sink and the large blotch in the shower niche candidates for poutice treatment?
What form of treatment is indicated for the etched ring?
If I should succeed in removing or alleviating the water spots and blotch, should I reseal the stone? With what type of product? Because the shower niche is subject daily to cascades of water, should I wax the horizontal surface regularly in an attempt to guard against restaining?
Should I have selected a different stone in the first place? |
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10-05-2007, 03:38 PM
|
#2 (permalink)
| | Senior Member
Join Date: May 2006 Location: Manchester, CT
Posts: 1,707
| Re: Water stains in Breccia Oniciata Marble I would have selected a granite in the first place. A true granite is not acid sensitive. This is something that should be tested in the home before the purchase and installation of your stone. Most people only select stones by their colors and don't think about durability or where it is going.
It sounds as if you have either over processed city water or hard water. I would have your marble honed because every time you have it re-polished the water spots (etching) will only keep happening again and if the stone is honed you don't see this happening.
Sealers can only protect you from staining - like the one being created by the soap bottle you described - which can be polticed out. Sealer will not protect you from etching. The honing process will remove the existing etching. A good stone cleaner - like Lustro italiano will help protect you and remove any soap scum build-up.
Call a reputable stone restoration professional (you may find one in our directory) to remove the stain and hone you up and you should be good for a long time.  |  |  |  | | Marble | MARBLE: CHARACTERISTICS
This standard includes general information on the characteristics
and common uses of marble and identifies typical problems
associated with the material.
INTRODUCTION
Marble is an extremely hard, metamorphic stone composed of calcite
(CaCO3). It is formed as a result of the recrystallization of
limestone under the intense pressure and heat of geologic
processes. The effect of this process is the creation of a stone
with a very tight crystalline structure and small but definite
porosity. Because of its structure, marble can take a very high
polish and is a very popular decorative stone for architectural and
sculptural uses. The limited porosity of marble, especially
polished marble, makes it less vulnerable to the leaching effects
of water. Calcium carbonate, however, of which marble is composed,
is highly susceptible to attack by acidic agents. Marble is
readily dissolved by acids, even very dilute acids, however the
actual results of acidic exposure will vary with the nature of the
acid. Chlorides, nitrates, sulfates and other chemical compounds
react differently with marble and produce various by-products,
which have a wide range of solubility and impact on the durability
of marble. For this reason, it is always important to determine
the exact type of pollutants causing marble deterioration.
Marble itself can be of two types, one composed of calcite and the
other of dolomite. Dolomitic marble is much more resistant to acid
attack than calcite marble. The color of marble ranges from the
brilliant white of calcite to black, including blue-gray, red,
yellow and green, depending upon the mineral composition.
TYPICAL USES
Marble has many decorative and structural uses. It is used for
outdoor sculpture as well as for sculpture bases; in architecture
it is used in exterior walls and veneers, flooring, decorative
features, stairways and walkways. The way in which the stone is
used may be a factor in limiting or controlling the severity of
exposure. The use or function of the marble may also affect the
feasibility of applying certain treatments, but type of use is not
the primary factor in the major types of deterioration and damage
to which marble is susceptible. | |  |  |  |  |
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10-06-2007, 02:00 AM
|
#3 (permalink)
| | Protege
Join Date: May 2007 Location: southern california
Posts: 577
| Re: Water stains in Breccia Oniciata Marble topshop is right. it is prefferable to have marble honed when installed in an area like yours, but thats your preference. some people dont mind to pay once a year or every 6 months to have someone come out to restore it. they will keep coming back, especially if you have hard water.  |  |  |  | | Marble | MARBLE: CHARACTERISTICS
This standard includes general information on the characteristics
and common uses of marble and identifies typical problems
associated with the material.
INTRODUCTION
Marble is an extremely hard, metamorphic stone composed of calcite
(CaCO3). It is formed as a result of the recrystallization of
limestone under the intense pressure and heat of geologic
processes. The effect of this process is the creation of a stone
with a very tight crystalline structure and small but definite
porosity. Because of its structure, marble can take a very high
polish and is a very popular decorative stone for architectural and
sculptural uses. The limited porosity of marble, especially
polished marble, makes it less vulnerable to the leaching effects
of water. Calcium carbonate, however, of which marble is composed,
is highly susceptible to attack by acidic agents. Marble is
readily dissolved by acids, even very dilute acids, however the
actual results of acidic exposure will vary with the nature of the
acid. Chlorides, nitrates, sulfates and other chemical compounds
react differently with marble and produce various by-products,
which have a wide range of solubility and impact on the durability
of marble. For this reason, it is always important to determine
the exact type of pollutants causing marble deterioration.
Marble itself can be of two types, one composed of calcite and the
other of dolomite. Dolomitic marble is much more resistant to acid
attack than calcite marble. The color of marble ranges from the
brilliant white of calcite to black, including blue-gray, red,
yellow and green, depending upon the mineral composition.
TYPICAL USES
Marble has many decorative and structural uses. It is used for
outdoor sculpture as well as for sculpture bases; in architecture
it is used in exterior walls and veneers, flooring, decorative
features, stairways and walkways. The way in which the stone is
used may be a factor in limiting or controlling the severity of
exposure. The use or function of the marble may also affect the
feasibility of applying certain treatments, but type of use is not
the primary factor in the major types of deterioration and damage
to which marble is susceptible. | |  |  |  |  | |
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