This Stone of the Month supplied by Belgian Quality Stone (Century Stone), Belgium. 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 transparency or an 8- x 10-inch or larger print of any stone material along with ASTM results to Stone of the Month, Stone World, 210 Route 4 East, Suite 311, Paramus, NJ 07652.