Compound of two great retrosnub icosidodecahedra explained

bgcolor=#e7dcc3 colspan=2Compound of two great retrosnub icosidodecahedra
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TypeUniform compound
IndexUC72
Polyhedra2 great retrosnub icosidodecahedra
Faces40+120 triangles, 24 pentagrams
Edges300
Vertices120
Symmetry groupicosahedral (Ih)
Subgroup restricting to one constituentchiral icosahedral (I)
The compound of two great retrosnub icosidodecahedra is a uniform polyhedron compound. It's composed of the 2 enantiomers of the great retrosnub icosidodecahedron.

References