| Material | Natural rock fragments (granite, limestone, basalt, etc.) |
| Particle Size Range | 4.75 mm to 75 mm (as per IS: 383) |
| Shape | Angular, sub-angular, rounded |
| Specific Gravity | 2.5 to 2.9 (depending on rock type) |
| Bulk Density | 1,520 to 1,680 kg/m³ (loose), 1,680 to 1,920 kg/m³ (compacted) |
| Water Absorption | 0.6% to 2% (by weight) |
| Moisture Content | Varies with storage conditions; typically 1% to 5% |
| Crushing Value | < 45% (as per IS: 2386, Part IV) |
| Impact Value | < 30% (for concrete aggregate) |
| Los Angeles Abrasion Value | < 30% (for high-quality construction) |
| Hardness | High, suitable for construction purposes |
| Thermal Conductivity | 0.7 to 1.3 W/m·K (varies with type and compaction) |
| Color | Varies (gray, brown, reddish, black, etc.) |
