| Technical Properties | |
|---|---|
| Bulk density (t.m3) | 2.62 |
| Water absorption | 0.30% by weight |
Compressive strength (MPa) |
|
| average dry | 176 |
| average soaked | 162 |
Flexural strength (MPa) |
|
| average dry | 10.9 |
| average soaked | 9.9 |
Mineralogy |
|
| Plagioclase feldspar | 39% |
| Microcline feldspar | 30% |
| Quartz | 26% |
| Biotite mica | 3% |
| Opaque oxide | 1% |
| Muscovite mica and sericite | 1% |