Country of Origin: U.S.

Apparent Density:  147-165 lb/ft3

Open Porosity:    0.67%

Compressive Strength:    21,321 psi

Flexural Strength:  1,218 psi

Moisture Absorption:   0.2%

Resistance to Thermal Shock (variation of mass): -0.02%

Frost Resistance (change in mean flexural strength): 1,146 psi (-5%)

Acid Resistance (variation of mass)  0.05 - 0.01%

Petrografic Examination:  Migmatitic granite

This Stone of the Month is supplied by Nikolaus Bagnara S.p.A. of Italy. 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 digital image, along with the relevant technical data, to