This form shows the cube (h), the dodecahedron (d), the tetrahexahedron (f), and the icositetrahedron…
This form shows a tetrahedron (o) with its edges beveled by the trigonal tristetrahedron (l), and its…
Represents a combination of a pentagonal dodecahedron and cube, and are common in pyrites.
Represents the combination of pentagonal dodecahedron, cube, and octahedron.
Represents the combination of pentagonal dodcahedron, dyakis-dodecahedron and octahedron.
"...shows the rhombic dodecahedron in combination with the octahedron." -The Encyclopedia Britannica…
A combination of a tetrahedron and a rhombic dodecahedron.
"A combination of cube, dodecahedron, and tetrahedron." — Ford, 1912
"This is the hemihedral form of the triakis-octahedron; it has the indices {hhk} and is bounded by tweleve…
"The faces of the deltoid dodecahedron correspond to one-half those of the trisoctahedron." —…
A regular solid each face of which has the same boundaries as five covertical faces of an ordinary icosahedron.
Pattern that can be cut out and folded to construct a regular dodecahedron. Fold on the dotted lines,…
A solid consisting of 12 similiar faces, each of which is rhomb, the angle between any two adjacent…
A regular solid each face of which formed by stellating a face of the dodecahedron.
"A combination of of dodecahedron, trapezohedron, and hexoctahedron." — Ford, 1912
A regular dyocaetriacontahedron formed by cutting off the faces of a regular dodecahedron parallel to…
"This is the hemihedral form of the hexakis-octahedron and has the indicies {hkl}; it is bounded by…
Illustration showing the combination of a hexahedron and an dodecahedron.
Illustration showing the combination of a octahedron and an dodecahedron.
"This is bounded by twelve pentagonal faces, but these are not regular pentagons, and the angles over…
"At the freezing point [phosphorus] hardens, becomes brittle, and shows, on being broken, evidences…
Illustration of regular polyhedrons: tetrahedron, hexahedron, octahedron, dodecahedron, icosahedron.
"Science has succeeded in classifying the thousands of known crystals in six systems, to each of which…
"Bounded by twelve rhomb-shaped faces parallel to the six dodecahedral planes of symetry. the angles…
Illustration containing a tetrahedron, hexahedron, octahedron, dodecahedron, and icosahedron, placed…
"This is bounded by twelve irregular pentagons, and is a tetartohedral or quarter-faced for of the hexakis-octahedron."…
This form shows a tetrahedron (o), cube (h), and dodecahedron (d) in combination.