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MARBLE

Marble is a metamorphic rock formed by alteration of limestone or dolomite, often irregularly colored by impurities. These natural marble stones make a perfect choice for architecture and sculpture. The natural marble stone from India are suitable for bathrooms, entryways and fireplaces, living & dining areas. Marble floor tiles are also used for both interior and exterior flooring applications. Some of the exclusive variety of marble available with us include Imperial Green, Zebra Pink, Zebra Black, Forest Green and Forest Brown.

Marble Varieties / Colors


PHYSICAL PROPERTIES OF MARBLE
Physically, Marbles are metamorphic representatives of limestones and are also siliceous calcium carbonate rocks except Green marble, which is a magnesium silicate rock of serpentine nature of alkalis & ferromagnesian minerals.
Hardness 3 to 4 on Moh's Scale
Density 2.5 to 2.65 Kg/m3
Compressive Strength 1800 to 2100 Kg/cm2
Water Absorption Less than 1%
Porosity Quite low
Weather Impact Resistant


CHEMICAL PROPERTIES OF MARBLE
Chemically, both limestone and marbles are siliceous calcium carbonate rocks.
Lime (CaO) 38-42%
Silica (SiO2) 20-25%
Alumina (Al2O3) 2-4%
Other Oxides like Na, Mg 1.5 to 2.5%
Loss On Ignition (LOI) 30-32%
Chemically Green marble has 38-40% Sio2, 34-38% MgO, 2-3% Al2O3, 5-6% Iron Oxides,1-2% CaO & 12-13% LOI.

Marble and other calcareous stones, are referred to as acid sensitive. Calcareous stones are readily dissolved in acid, therefore acidic products should not be used on limestone and marbles.

There are several types of marbles, including calcites (from calciferous limestone), dolomites (from dolomite limestone), serpentines (typically green marbles) and travertine (sedimentary limestone). Each of these is similar in their composition, that being predominantly calcium carbonate, and their capability to take a polish.

Marble
Marble
Marble



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