| Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O+CaO | Ny hafa |
| > 93% | 45-50% | <1% | <0,5% | <4% | <1% |
| zavatra | sarobidy |
| Fisorohana rano (%) | <2 |
| Haavo betsaka (g/cm3) | 1.4-1.5 |
| Gravité manokana (g/cm3) | 2.4-2.6 |
| Vola maimaim-poana (%) | 40 |
| Temp. (max) (℃) | 1200 |
| Ny hamafin'i Moh (mizana) | >7 |
| fanoherana asidra (%) | >99.6 |
| Alkali fanoherana (%) | >85 |
| Size | Torotoro hery | |
| Kg/particle | KN/potika | |
| 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 |
| Habe sy fandeferana (mm) | ||||
| Size | 3/6/9 | 9/13 | 19/25/38 | 50 |
| fandeferana | ± 1.0 | ± 1.5 | ± 2 | ± 2.5 |