| MMS | Mojave mars simulant |
| SEM | Scanning electron microscope |
| EDS | Energy dispersive X-ray Spectroscopy |
| FSO | Full scale output |
| FN | Normal Load |
| δN | Normal displacement |
| FT | Tangential Load |
| δT | Tangential displacement |
| δN,max | Normal displacement for a given normal load |
| δN,shear | Normal displacement during shearing |
| μSS | Steady state value of interparticle friction coefficient |
| φ | Interparticle friction angle. |
| μmob | Mobilized interparticle friction |
| FC | Crushing load |
| σc | Characteristic crushing strength |
| d | Geometric mean of smaller SCC dimensions |
| PS | Survival probability |
| σp | Peak stress |
| E* | Contact modulus |
| m | Weibull modulus |
| Sq | Surface roughness |