|Faces per vertex||3, 4 and 5|
|Symmetry||D5d, [2+,10], (2*5)|
It is composed of 20 rhombic faces, of which three, four, or five meet at each vertex. It has 10 faces on the polar axis with 10 rhombi following the equator.
Even though all the faces are congruent, the rhombic icosahedron is not face-transitive, since one may distinguish whether a particular face is near the equator or a pole by examining the types of vertices surrounding that face.
It has D5d, [2+,10], (2*5) symmetry, order 20.
The rhombic icosahedron forms the convex hull of the vertex-first projection of a 5-cube to 3 dimensions. This is the same way one can obtain a rhombic dodecahedron from a 4-cube and a rhombic triacontahedron from a 6-cube.
- Weisstein, Eric W., "Rhombic icosahedron", MathWorld.
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