American Black granite
Country of origin U.S.
Water absorption 0.023%
Compressive strength 43,524 psi
Modulus of rupture 3,799 psi
Flexural strength 3,496 psi
This Stone of the Month supplied by Rock of Ages, Barre, VT. Technical details provide a frame of reference only. Because stone is a product of nature, testing to determine specific physical qualities should be repeated for each project. To submit your own Stone of the Month, send a high-resolution digitial image, along with ASTM results, to michael@stoneworld.com.