Our stone is a proven top quality sandstone
Stone is a natural product and can vary, the figures below are indicative only, customers requiring specific attributes should arrange to have their own testing carried out, please contact the quarry for further details.
| Composition by Petrographic Analysis |
| Quartz |
55 - 66% |
| Lithic Fragments |
15 - 21% |
| Muscovite Mica |
0.7 - 1.1% |
| Clay Minerals |
8.5 - 10.4% |
| Goethite |
7.7 - 12.7% |
| Voids |
3.2 - 4.2% |
| Feldspar |
< 0.5% |
| Trace Minerals |
< 0.1% |
| Compressive Strength (MPa) |
|
Dry |
40.4 - 63.0 |
|
Wet |
32.0 - 40.0 |
| Modulus of Rupture (MPa) |
|
Dry |
10.0 |
|
Wet |
8.0 |
| Absorption (% by weight) |
3.9 - 5.8 |
| Apparent Porosity (%) |
7.9 - 12.7 |
| Sodium Sulphate Soundness (% Loss) |
0.6 |
| Density/Specific Gravity (ton/m³) |
2.21 - 2.40 |