Acronym | snit |
Name |
pyritohedron, pyritosnub tetrahedron, vertex alternated toe |
Circumradius | sqrt(5/2) = 1.581139 |
Snub derivation |
|
Face vector | 12, 30, 20 |
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
© 2004-2024 | top of page |