Natural Indian Minerals
Marble Stones

Name and Composition - Calcitic marble: Calcitie (CaCO3) and Dolomite marble: Dolomite [Ca, Mg (CO3)2] with other impurities like iron oxide, silica etc.

Physical Properties - Marble is metamorphic rock, fine to coarse grained, white to off white with varying colours and shades. Grains are often recrystallized and closely interlocked, hence has low porosity.

Mode of Occurrence - Generally occurs as sedimentary and metamorphic deposits from arrivals to tertiary formations.

Uses - Used as dimensional and decorative stone in building for flooring, wall cladding, pillars, handicrafts, monuments, tombs, temples etc. by virtue of carving and sculpture.

Mineral based Industries – Dimond gangue saws, cutting and polishing units, handicrafts and artisan units like carving and sculpturing.

Industrial Prospects – Gangue saws units, cutting and polishing units, carving, artisan work etc.


Physical Properties
Hardness
Weather Impact
Compressive Strength
Density
Water absorption
Porosity
3 to 4 on Moh's Scale
Resistant
1800 to 2100 Kg/cm2
2.5 to 2.65 g/cm3
Less than 1%
Quite low
Chemical Properties
Lime (CaO)
Silica (SiO2)
Alumina (Al2O3)
Other Oxides like Na, Mg
Loss On Ignition (LOI)
38 to 42%
20 to 25%
2 to 4%
1.5 to 2.5%
30 to 32%
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