¶ Domains of Tetra, Octa & Icosa
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Index Entry
Domains of Tetra, Octa & Icosa:
“The tetrahedron, octahedron, and icosahedron are prime structural systems: there are no other symmetrical nonnuclear domains in closest packed agglomerations. Their domains are defined by superficial omnitriangulation of 4, 6, and 12. The domain of the tetrahedron is the tetrahedron. The domain of the octahedron is six spheres closest packed octahedrally. The domain of an icosahedron is an icosahedron and is defined by the closest packing of 12 spheres without a nucleus.”
