| Vertices: | 28 (4[3] + 12[3] + 12[5]) |
| Faces: | 28 (4 equilateral triangles + 12 isosceles triangles
+ 12 mirror-symmetric pentagons) |
| Edges: | 54 (12 short + 24 medium + 18 long) |
| Symmetry: | Full Tetrahedral (Td) |
| (values below based on edge-scribed radius = 1) |
| Short Edge (12): | 12*sqrt(2)/35 | ≈0.48487322138506115959 |
| Medium Edge (24): | 10*sqrt(2)/21 | ≈0.67343502970147383276 |
| Long Edge (18): | 2*sqrt(2)/3 | ≈0.94280904158206336587 |
| Max Vertex Radius: | sqrt(11)/3 | ≈1.1055415967851332830 |
| Edge-scribed Radius: | 1 |
| Volume: | 11048/2835 | ≈3.8970017636684303351 |
|