Place of Origin : Tandur
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. |
