You might as well call it a dodecahedron, or the cube root of minus nothing.'
Iamblichus here refers to the dodecahedron inscribed in the sphere.
Cleavage obtains parallel to the dodecahedron, but is imperfect.
A cube would therefore be represented numerically by seven, a dodecahedron by thirteen.
That for the tetrahedron has 12 for its order, for the cube (or octahedron) 24, and for the icosahedron (or dodecahedron) 60.
The rhombic faces of the dodecahedron are often striated parallel to the longer diagonal.
Round it describe a dodecahedron; the circle including this will be Mars.
The dodecahedron, having twelve regular pentagons (or five-sided figures) as faces.
Two of these generate the cube and the octahedron; five of these generate the dodecahedron and the icosahedron.