· Marazzi Le Pietre 12 x 12 Basalto offered at $2.62 S / FT · covers 14.530 per S / FT · contains 15.000 per Box · measures 12.000 Inch in length · measures 12.000 Inch in width · is 0.310 Inch thick · weighs 57.000 lbs · in the Gray color family · composed of Porcelai