Page 462 - Forensic Structural Engineering Handbook

Marble Slate building stone Interior Exterior Travertine Serpentine Metamorphic Sedimentary Quartz, mica Calcite, dolomite H 2 KaI 3 (SiO 4 ) 3 ; (H,K) 2 (Mg, Fe) 2 Al 2 (SiO 4 ) 3 CaCO 3 , MgCO 3 MA to GA, CA, AR NY to AL, IN to MS, NE, KS, MO, OK, AR, Blue, green, black, purple, gray White, gr
Physical Properties and Characteristics of Marble and Slate
Dolomite TX, CO, SD, WY, CA, MN, WI black, yellow, brown, tan 175

Calcite Metamorphic 162

Characteristic Water absorption (% by weight), max. Compressive strength, ksi, min Modulus of rupture,* ksi, min. Flexural strength,† ksi, min *Determined by a single midpoint load. †Determined by two quarter-point loads. ¶Thermal expansion/contraction hysteresis.

TABLE 13.4 Geology Mineralogy Chemistry (approximate) Geography Colors max. Size, ft 2 ASTM specification Density, lb/ft 2 , min Permanent set¶ Acid resistance, in max. ‡Crossgrain. §Along grain.

13.10