Acronym	gidhid
TOCID symbol	E*|J
Name	great dodecahemidodecahedron
	© ©
Circumradius	(sqrt(5)-1)/2 = 0.618034
Vertex figure	[5/3,10/3,5/2,10/3]
General of army	id
Colonel of regiment	gid
Dihedral angles	between {5/2} and {10/3}:   arccos(1/sqrt(5)) = 63.434949°
Face vector	30, 60, 18
Confer	Grünbaumian relatives: 2gidhid   gid+geihid+gidhid
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As abstract polytope gidhid is isomorphic to sidhid, thereby replacing pentagrams by pentagons and decagrams by decagons.

This polyhedron is an edge-faceting of the great icosidodecahedron (gid).

Incidence matrix according to Dynkin symbol

hemi( x5/3x5/3o5/2*a )

30 |  4 |  2 2
---+----+-----
 2 | 60 |  1 1
---+----+-----
 5 |  5 | 12 *
10 | 10 |  * 6