River with thin veins – Blocks

River with thin veins – Slabs

Physicomechanical Properties

Properties Standards Measurements
Apparent density EN 1936 2830 kg/m³
Open porosity EN 1936 0.9 % vol.
Water absorption at atmospheric pressure EN 13755 0.3 % wt.
Uniaxial compressive strength EN 1926 187 MPa
Flexural strength under concentrated load EN 12372 9.76 MPa
Breaking load at dowel hole EN 13364 1350 N
Abrasion resistance EN 14157-B 31236 mm³
Rupture energy EN 14158 6 Joule
Frost resistance – Flexural strength under concentrated load after 48 frost resistance cycles EN 12371 / EN 12372 4.5 MPa

Chemical Analysis

Oxide (wt %) Measurements
CaO 35.2
MgO 16.8
SiO₂ 0.25
K₂O 0.06
Na₂O 0.3
Loss of Ignition 45.68
Al₂O₃ < 0.10
Fe₂O₃ < 0.10
MnO < 0.05
TiO₂ < 0.10

Tests performed from the National Institute of Geology & Mineral Exploration of Greece.