## Shape descriptors ##
* **m**: Mass(g)
* **S**: Number of stable points
* **U**: Number of unstable points
* **y1**: axis ratio 1
* **y2**: axis ratio 2
* **f**: number of faces
* **v**: number of vertices
1. Sample
* Weathering Budapest Dolomite 556 fragments
* Size range: 25 - 120mm
* Shape descriptors: m,S,U,y1,y2,f,v
2. Sample
* Laboratory, hammering, gypsum 314 fragments
* Size range: 16 - 106mm
* Shape descriptors: m,S,U,y1,y2
3. Sample
* Explosion Keszthely, Hungary Dolomite 2000 fragments
* Size range: 11 - 136mm
* Shape descriptors: S,U,y1,y2
4. Sample
* Explosion Kádárta, Hungary Dolomite 1000 fragments
* Size range: 9 - 131mm
* Shape descriptors: S,U,y1,y2
5. Sample
* Hammering Budapest, Hungary Dolomite 200 fragments
* Size range: 4 - 69mm
* Shape descriptors: S,U,y1,y2
6. Sample
* Hammering, Zakynthos, Greece 214 fragments
* Size range: 14 - 108mm
* Shape descriptors: S,U,y1,y2