This Stone of the Month supplied by Antolini Luigi & C., S.p.A., Domegliara, Verona, 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 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.
country of origin Namibia
apparent unit mass 2,313 kg/cu.m
coefficient of abrasion 7.44 mm
simple compression 120 N/sq.mm
flexural strength 19.7 N/sq.mm
hardness 4 MOHS