White Marble Pebble Stone

-Marbles white, medium hard, weak oriention, fine grained deformation structure (diameter of grain d 0.8-1.5mm). Essential components fine grain of calcite and less dolomite. Hardness of rock: 3-3.5(follows Mohs)
-Marbles black
+ Scratch hardness of surface: 4 Thang Mohs
+ Water absorption: 0.2
+ Compressive strength: 111.3N/mm2