| Parameter | Results |
|---|---|
| Color | Reddish Brown |
| Appearance | Crystalline, Sharp, Angular |
| Melting Point | ≥ 1200 °C |
| Conductivity | Max 15 mS/m |
| Specific Gravity | 3.9-4.3 |
| Bulk Density | 2.1-2.7 g/cm3 |
| Hardness | Min 7.5 Mohs |
| Moisture | Max 0.25% |
| Toxic Substance | None |
| Suspended Solid | Max 1500 mg/l |
| Odor | No Odor |
| Gypsum | Nil |
| Metal Content | Traces |
| PH of Aquarius Medium | 6.9-7 |
| Solubility in Water & Acid | Insoluble |
| Soluble Salt | ˂100 PPM |
| Chloride | ˂50 PPM |
| Lead (P2O5) | ˂ 0.05% |