Place of Origin : Betamcherla
Physical Properties
Physically, Limestone are
Quite impervious, Hard, Compact, fine to very fine grained
calcareous rocks of sedimentary nature.
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
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%
|
Limestone, like 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.
|
|
|
Cobbles (Natural Handcut) |
|
|