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A marble is a
metamorphic rock formed by alteration of limestone or dolomite,
often irregularly colored by impurities and used especially in
architecture and sculpture. Marble tiles are suitable for bathrooms,
entryways and fireplaces, living & dining areas. |
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MARBLE PHYSICAL
PROPERTIES |
| 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 |
| 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.
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