Calypso quartzite

Country of origin: Brazil

Specific 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.