Calypso quartzite
Country of origin: BrazilSpecific mass (dry): 2,736 kg/cu.m
Specific mass (wet): 2,743 kg/cu.m
Water absorption: 0.23%
Modulus of rupture: 14.8 MPa
Compressive strength: 118.0 MPa
This Stone of the Month supplied by Adalia Imp. & Exp. De Granitos Ltda., Vitória, Espírito Santo, Brazil. 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 ASTM results to Stone of the Month,Stone World, 210 Route 4 East, Suite 311, Paramus, NJ 07652.