Alnoir (Альнуар)                
                
                
                
                    hysical, mechanical and technological specifications: Hardness Mohs Unit Volume Weight gr/cm3 Density gr/cm3 Water absorption at atmospheric pressure by weight - % by volume - % Water absorption at boiling water by weight - % by volume - % Porosity                
                
                    
| hysical, mechanical and technological specifications: | 
| Hardness | 
Mohs | 
 | 
| Unit Volume Weight | 
gr/cm3 | 
 | 
| Density | 
gr/cm3 | 
 | 
| Water absorption at atmospheric pressure | 
by weight - % | 
 | 
 | 
by volume - % | 
 | 
| Water absorption at boiling water | 
by weight - % | 
 | 
 | 
by volume - % | 
 | 
| Porosity | 
% | 
 | 
| Compressive strength | 
kg/cm2 | 
 | 
| Compressive strength after freesing | 
kg/cm2 | 
 | 
| Strength to blow | 
kg/cm2 | 
 | 
| Strength to bending | 
kg/cm2 | 
 | 
| Modulus of Elasticity | 
kg/cm2 | 
 | 
| Ratio of fullness | 
% | 
 | 
| Degree of pores | 
% | 
 | 
| Average Abrasion Loss | 
cm3/50 cm2 | 
 | 
| Average Tensile Strenght | 
kg/cm2 | 
 | 
| Chemical analysis: | 
| CaO | 
 | 
| SiO2 | 
 | 
| Fe2O3 | 
 | 
| MgO3 | 
 | 
| TlO2 | 
 | 
| Others | 
 | 
| MgO | 
 | 
| A12O3 | 
 | 
| CaCO2 | 
 | 
| K2O | 
 | 
| AZ | 
 |