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Physical Properties of Kota Stone

Kotah Stone are Quite impervious, Hard, Compact, fine to very fine grained calcareous rocks of sedimentary nature.

Compressive Strength 21.75 kg/sq. mm 21.94 Kg/ sq. mm
Abrasion Resistance 18.12 (Abrasion value) 18.12 (Abrasion value)
Oil Absorption Nil Nil
Water Absorption 0.31 % 0.32 %
Moh Hardness No. will scratch -3
Calcite will not
Scratch- 2.1/2 Galena
will scratch -3
Calcite will not
Scratch- 2.1/2 Galena
 
Density 2.5 to 2.65 Kg/m3
Porosity Quite Low
Weather Impact Resistant

Chemical Properties of Kota Stone

Chemically, both Kotah Stone are siliceous calcium carbonate rocks
Lime (CAO) 38-42%
Cilica(SiO2) 20-25%
Alumina (Al2O3) 2-4%
Other Oxides like Na, Mg 1.5 to 2.5%
Loss On Ignition (LOI) 30-32%

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