Ataíja Azul is a limestone of gray and bluish-gray tint, very glazed and hard, with low absorption coefficients, finely calciclastic, occasionally with some stylolites.
PHYSICAL-MECHANICAL CHARACTERISTICS
Compression breaking load - 1650 kg/cm² Bending strength - 105 kg/cm² Water absorption at N.P. conditions - 0.4 % Apparent porosity - 0.9 % Abrasion test - 2.6 mm