Acronym  snit 
Name 
pyritohedron, pyritosnub tetrahedron, vertex alternated toe 
Circumradius  sqrt(5/2) = 1.581139 
Snub derivation 

Confer 

External links 
This polyhedron is isogonal only. It reflects the mere alternated faceting of the above depicted snub derivation wrt. a vertex alternation with starting figure toe.
It also can be considered to be the special case Qqo oQq qoQ&#zh (where Q = 2q) of the general pyritohedral ike.
Incidence matrix according to Dynkin symbol
s3s3s demi( . . . )  12  1 2 2  1 1 3 +++ s 2 s  2  6 * *  0 0 2 q sefa( s3s . )  2  * 12 *  1 0 1 h sefa( . s3s )  2  * * 12  0 1 1 h +++ s3s . ♦ 3  0 3 0  4 * * h3o . s3s ♦ 3  0 0 3  * 4 * h3o sefa( s3s3s )  3  1 1 1  * * 12 oq&#h starting figure: x3x3x
s3s4o demi( . . . )  12  1 4  2 3 +++ . s4o  2  6 *  0 2 q sefa( s3s . )  2  * 24  1 1 h +++ s3s . ♦ 3  0 3  8 * h3o sefa( s3s4o )  3  1 2  * 12 oq&#h starting figure: x3x4o
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