Materials | Classes | Specificgravity (g/cm3) | Unit weight (g/cm3) | Flakiness (%) | Fine modulus | Sand equivalent (%) |
Gneiss | 5/14 | 2.801 | 1.510 | 9.50 | - | - |
14/20 | 2.903 | 1.520 | 4.40 | - | - | |
Basalt | 5/14 | 2.883 | 1.547 | 5.50 | - | - |
14/20 | 2.949 | 1.588 | 5.00 | - | - | |
River sand | River sand | 3.028 | 1.670 | - | 3.05 | 81.00 |