1) Idatha yeekhemikhali:
| I-Al2O3 | I-SiO2 | I-CaO | I-MgO | I-Na2O |
| 92~93% | 3~6% | 1~1.6% | 0.2 ~ 0.8% | 0.1% |
2) Idatha ebonakalayo:
| Umxhuzulane othile (g/cc) | >3.60 |
| I-porosity ebonakalayo (%) | 0 |
| Amandla okuGuquka (20ºC, Mpa) | 280 |
| Amandla okucinezela (20ºC, Mpa) | 850 |
| Ubulukhuni beRockwell (HRA) | 80 |
| Ubulukhuni beVickers (hv) | 1050 |
| Ubunzima bukaMoh (isikali) | ≥9 |
| Ukwandiswa kobushushu (20-800ºC, x10-6/ºC) | 8 |
| Ubungakanani bekristale (μm) | 1.3~3.0 |