TESTS ASTM	METRIC	IMPERIAL
Absorption by weight % - C97	0,17	0,17
Density in kg/m3 (lb./ft.3) - C97	2 691,1	168
Compressive strength in MPa (psi) - C170	152,83	22 160
Abrasion resistance- C241	Value not determined	54
Flexural strength in MPa (psi) - C880	2 180	15,03

Technical information provides a frame of reference only. Because stone is a product of nature, testing to determine specific physical properties should be repeated for each major project.