Unit weight gr/cm3 2, 68 Porosity 1, 62% Water absorption 0, 62% Tensile strength, mpa 8, 41 Modulus of elasticity, gpa 13, 40 Bending strength, mpa 10, 70 Rock toughness strength, mpa 3, 60 Surface abrasivity by bohme method cm3/50cm2 22, 02 Edge cuttability very good Polishing ability very good Bundle & case