Technical Specifications
I.G.M.E (2015) Directory of Greek Ornamental and Structural Stones
| PHYSICAL MECHANICAL PROPERTIES | AVERAGE VALUE* |
|---|---|
| Apparent density (EN 1936), kg/m³ | 2720 |
| Open porosity (EN 1936), % vol. | 0.3 |
| Water absorption at atmospheric pressure (ΕΝ 13755), % wt. | 0.1 |
| Uniaxial compressive strength (ΕΝ 1926), MPa | 86 |
| Flexural strength under concentrated load (ΕΝ 12372), MPa | 22.6 |
| Breaking load at dowel hole (ΕΝ 13364), Ν | 2000 |
| Abrasion resistance (ΕΝ 14157 - Β), mm³ | 25678 |
| Rupture energy (ΕΝ 14158), Joule | 6 |
| Frost resistance (ΕΝ 12371): Flexural strength under concentrated load (ΕΝ 12372) after 48 frost resistance cycles, MPa | 22.5 |
*The values are indicative of the stone type in the region and are not connected to certain quarries.
| MINERALOGICAL COMPOSITION | PERCENTAGE VALUE |
|---|---|
| Calcite | 70% |
| Muscovite | 14% |
| Albite | 8% |
| Chlorite | 5% |
| Dolomite | 2% |
| Quartz | 1% |
| CHEMICAL ASSAY | % IN DRY SUBSTANCE |
|---|---|
| SiO₂ | 3.00 |
| Al₂O₃ | 0.73 |
| Fe₂O₃ | 0.45 |
| CaO | 52.20 |
| MgO | 0.80 |
| MnO | 0.15 |
| K₂O | 0.40 |
| Na₂O | 1.50 |
| LOI | 41.65 |