| Property | Specification |
| Appearance | White, grayish-white, or colorless |
| Odor | Odorless |
| Density | 2.7 – 2.8 g/cm³ |
| Mohs Hardness | 1 (softest mineral) |
| Bulk Density | 0.6 – 0.8 g/cm³ |
| Melting Point | 1,350°C (2,462°F) |
| Refractive Index | 1.53 – 1.56 |
| Solubility in Water | Insoluble |
| Water Absorption | Low |
| Chemical Formula | Mg₃Si₄O₁₀(OH)₂ |
| Particle Size | Typically 5 – 10 microns |
| pH | 9.5 – 10.5 |
| Moisture Content | 0.5% – 5% |
| Specific Surface Area | 10 – 30 m²/g |
