Item Details
Quarry Location:
Vathilakos, Drama, North - East Greece
Water Absorption:
0.08 By weight %
Density:
2711 kg/m³
Flexural Strength:
17.83 MPa
Compressive Strength:
89.41 MPa
Recommended Usage:
Construction stone, ornamental stone, mosaic, pavers, stairs, fireplaces, sinks, balustrades, etc,
Finishing Surface:
Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Tumbled
Additional Names:
Black Astoria Marble,Astoria Black Marble, Astoria Grey Marble,Astoria Grey
Description:
MINERALOGICAL COMPOSITION
CALCITE 98%
DOLOMITE 2%
CHEMICAL ANALYSIS (Weight %)
CaO 54,5- K20 <0,01
MgO 0,7 - Na2O <0,01
SiO2 0,7 - MnO 0,01
Fe2O3 42,8 - Al2O3 0,21
PHYSICAL AND MECHANICAL PROPERTIES
APPARENT SPECIFIC WEIGHT Kg/m3 2711Kg/m3
MODULUS OF RUPTURE din 52 112, (wet position) 17,83 MPa (182kg/cm2)
ABSORPTION COEFFICIENT wt% din 52 103 0,08%
MODULUS OFELASTICITY (ASTM C-170) 22,60 GPa
COMPRESSIVE STRENGTH Kg/cm2 din 52 105,( dry position) 89,41 N/mm2 (912 kg/cm2)
COMPRESSIVE STRENGTH AFTER FROST(din 52 104 & din 52 105) 71,85N/mm2 (1722kg/cm2)
COMPRESSIVE STRENGTH Kg/cm2 din 52 105,( wet position) 71,59N/mm2(730kg/cm2)
ABRASION RESISTANCE according to Boehme (din 52 108) 2,26 mm
MODULUS OF RUPTURE din 52 112,( dry position) 18,20 MPa (186kg/cm2)
MICROHARDNESS KNOOP (UNI - U.32.07.248.0) 40 cm