Petrographic definition: gneiss
Massa Unit Volume: 2795 Kg/m3
Water absorption: 0.18%
Compression breaking load Simple: 161MPa
Compression breaking load after freezing: 139 MPa
Tangent elastic modulus: 47,700 MPa
Elastic Modulus Secant: 33,400 MPa
Indirect Tensile Strength by bending: 17,1 MPa
Coefficient corresponding Abrasion (referred to Granite St. Fedelino): 0.83
Impact resistance: minimum fall height: 62 cm
Coefficient of thermal linear expansion: 13.4 x 10-5 0C-1
Knoop microhardness: 4675 MPa
non-uniformity index of hardness: 3.17
Source: Politecnico di Torino