| Vertices: | 11 ({4 + 2}[3] + {4 + 1}[4]) |
| Faces: | 10 ({2 * 2} equilateral triangles + {2 * 2} squares
+ 2 regular pentagons) |
| Edges: | 19 |
| Symmetry: | 2-fold Pyramidal (C2v) |
| (values below based on edge length = 1) |
| Volume: | sqrt(233+90*sqrt(5)
+12*sqrt(10*(5+2*sqrt(5))))/12 | ≈1.9561796609844827642 |