| Technical Properties | |
|---|---|
| Bulk density (t.m3) | 2.65 |
| Water absorption | 0.12% by weight |
Compressive strength (MPa) |
|
| average dry | 140 |
| average soaked | 104 |
Flexural strength (MPa) |
|
| average dry | 13 |
| average soaked | 12.8 |
Mineralogy |
|
| K-feldspar | 40% |
| Quartz | 25% |
| Plagioclase | 15% |
| Biotite | 10% |
| Sericite | 2% |
| Chlorite | 2% |
| Apatite | 2% |
| Opaques | 2% |