Acronym	gid
TOCID symbol	JE*
Name	great icosidodecahedron
	© ©
Circumradius	(sqrt(5)-1)/2 = 0.618034
Vertex figure	[(5/2,3)2]
General of army	id
Colonel of regiment	(is itself locally convex – other uniform polyhedral members: gidhid   geihid – other edge facetings)
Dual	gort
Dihedral angles	between {3} and {5/2}:   arccos(-sqrt[(5-2 sqrt(5))/15]) = 100.812317°
Face vector	30, 60, 32
Confer	Grünbaumian relatives: 2gid   gid+geihid+gidhid   general polytopal classes: Wythoffian polyhedra
External links

As abstract polytope gid is isomorphic to id, thereby replacing pentagrams by pentagons.

Incidence matrix according to Dynkin symbol

o5/2x3o

.   . . | 30 |  4 |  2  2
--------+----+----+------
.   x . |  2 | 60 |  1  1
--------+----+----+------
o5/2x . |  5 |  5 | 12  *
.   x3o |  3 |  3 |  * 20

o5/3x3o

.   . . | 30 |  4 |  2  2
--------+----+----+------
.   x . |  2 | 60 |  1  1
--------+----+----+------
o5/3x . |  5 |  5 | 12  *
.   x3o |  3 |  3 |  * 20

o3/2x5/2o

.   .   . | 30 |  4 |  2  2
----------+----+----+------
.   x   . |  2 | 60 |  1  1
----------+----+----+------
o3/2x   . |  3 |  3 | 20  *
.   x5/2o |  5 |  5 |  * 12

o3/2x5/3o

.   .   . | 30 |  4 |  2  2
----------+----+----+------
.   x   . |  2 | 60 |  1  1
----------+----+----+------
o3/2x   . |  3 |  3 | 20  *
.   x5/3o |  5 |  5 |  * 12