Description:
Origin: Sinai Peninsula, Egypt
Stone Type: Dense limestone / commercial marble
Color Palette: Cool grey, ash, and slate-like undertones with fine natural veining or subtle fossilized inclusions
Recommended Applications: Flooring, wall cladding, facades, vanity tops, and interior/exterior architectural elements
Common Finishes: Polished, Honed, Brushed, Bush-hammered, and Tumbled
Technical Data
Technical specifications and physical property test results for Egyptian Sinai Pearl Gray (often commercialized as Sinai Gray or a gray variant of Tresta):
| Physical Property | Standard Test Method | Typical Specification Range / Value |
| Density (Bulk Specific Gravity) | ASTM C 97 | $2,600 – 2,650 \text{ kg/m}^3$ |
| Water Absorption (by weight) | ASTM C 97 | $0.18\% – 0.45\%$ |
| Compressive Strength | ASTM C 170 | $105 – 135 \text{ MPa}$ (~15,200 – 19,500 psi) |
| Flexural Strength | ASTM C 880 | $10 – 15 \text{ MPa}$ (~1,450 – 2,175 psi) |
| Abrasion Resistance | ASTM C 241 / C 1353 | $32 – 36 \text{ Ha}$ |
| Hardness | Mohs Scale | 3 – 4 |