| Property | Value |
| Absorption | 8.5% |
| Compressive Strength across strata | 4140 lb/in2 |
| Compressive Strength with strata | 4170 psi |
| Flexural Strength across strata | 393 psi |
| Flexural Strength with strata | 424 psi |
| Abrasive resistance | 1.6 |
| Specific gravity | 2.05 |
| Weight per cubic ft | 142.00 lbs |
