Afyon Grey Marble
Petrographical Properties:

Sample consists of calcite rystals(shattered by cataclastic means)of sizes varying between 40-300 microns and crystals showing pressure twinning of sizes 500-750 microns.



Physical, Mechanical and Technological Specifications
Hardness (mohs) 4
Unit Volume by weight (gr/cm3) 2,71
Density (gr/cm3) 2,73
Water Absortion at Atmospheric Pressure (by weight %) 0,1
(by volume %) 0,2
Water Absorption at Boiling Water (by weight %) 0,1
(by volume %) 0,2
Prosity (%) 0,2
Compressive Strenght (Kgf/cm2) 648
Compresssive Strenght After Freezing (Kgf/cm2) 447
Strenght to Blow (Kgf/cm/cm3) 11
Strenght to bending (Kgf/cm2) 65
Modules of Elasticity (Kgf/cm2) 8,16x104
Ratio of Fullness (%) 99,3
Degree of Pores (%) 0,7
Average Abrasion Strenght (cm3/50 cm2) 33,3
Average Tensile Strenght (Kgf/cm2) 46
     
Chemical Analysis %
SiO2 0,14
Fe2O3 0,11
CaO 55,75
MgO Eser
 
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