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