| Vertices: | 20 (8[3] + 12[3]) |
| Faces: | 12 (mirror-symmetric concave pentagons) |
| Edges: | 30 (equal length) |
| Symmetry: | Pyritohedral (Th) |
| Convex Dihedral Angle: | acos(sqrt(5)/5) | ≈63.434948823 degrees |
| Concave Dihedral Angle: | acos(−sqrt(5)/5) | ≈243.434948823 degrees |
| The dual has the same polyhedral graph as the Icosahedron |
| (values below based on edge length = 1) |
| Max Vertex Radius: | (sqrt(3)+sqrt(15))/4 | ≈1.4012585384440735447 |
| Volume: | (1+sqrt(5))/4 | ≈0.80901699437494742410 |
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