Grey - Basalt
Quarry Location: Bagnoregio, Bolsena, Provincia di Viterbo, Northern Lazio
Water Absorption: 3.05 %
Density: 2230 kg/m3
Flexural Strength: 13.8 MPa
Compressive Strength: 82.5 MPa
Recommended Usage: Building stone,countertops, sinks, monuments, pool coping, sills, ornamental stone, interior, exterrior, wall, floor , paving
Finishing Surface: Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Tumbled
Additional Names: Basaltina di Bagnoregio,Basaltina Classico,Basaltino,Basalto di Viterbo,Pietra Aniciano,Grigio Aniciano,Nero Basaltina,Pietra Basaltica,Pietra Basaltina,Basaltina Bagnoregio,Basalto Bagnoregio, Grigio Anciano Basalt,Grigio Anciano
Petrographic definition: tephra
Unit Volume: 2230 Kg/m3
Water absorption: 3.05%
Compression breaking load Simple: 82.5 MPa
Compression breaking load after freezing: 87.1 MPa
Indirect Tensile Strength by bending: 13,8 MPa
Coefficient corresponding Abrasion (referred to Granite St. Fedelino): 0.54
Impact resistance: minimum fall height: 25 cm
Coefficient of linear thermal expansion: 5.0 x 10-5 0C-1
Knoop microhardness: 3473 MPa
non-uniformity index of hardness: 3.68
Source: Università di Pisa - Politecnico di Torino