| Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O +CaO | Wengine |
| > 93% | 45-50% | <1% | <0.5% | <4% | <1% |
| Kipengee | Thamani |
| Ufyonzaji wa maji (%) | <2 |
| Uzito wa wingi (g/cm3) | 1.4-1.5 |
| Nguvu ya uvutano mahususi (g/cm3) | 2.4-2.6 |
| Sauti ya bure (%) | 40 |
| Joto la kufanya kazi.(kiwango cha juu zaidi) (℃) | 1200 |
| Ugumu wa Moh (wadogo) | >7 |
| Upinzani wa asidi (%) | >99.6 |
| Upinzani wa alkali (%) | >85 |
| Ukubwa | Kuponda nguvu | |
| Kg/chembe | KN/chembe | |
| 1/8"(3mm) | >35 | >0.35 |
| 1/4"(6mm) | > 60 | >0.60 |
| 3/8"(10mm) | >85 | >0.85 |
| 1/2"(13mm) | >185 | >1.85 |
| 3/4"(19mm) | > 487 | >4.87 |
| 1"(25mm) | >850 | >8.5 |
| 1-1/2”(38mm) | >1200 | >12 |
| 2"(50mm) | > 5600 | >56 |
| Ukubwa na uvumilivu (mm) | ||||
| Ukubwa | 3/6/9 | 9/13 | 19/25/38 | 50 |
| Uvumilivu | ± 1.0 | ± 1.5 | ± 2 | ± 2.5 |