 Amalgam

This form shows the cube (h), the dodecahedron (d), the tetrahexahedron (f), and the icositetrahedron… Beveled Tetrahedron

This form shows a tetrahedron (o) with its edges beveled by the trigonal tristetrahedron (l), and its… Combination of Pentagonal Dodecahedron and Cube

Represents a combination of a pentagonal dodecahedron and cube, and are common in pyrites. Combination of Pentagonal Dodecahedron, Cube and Octahedron

Represents the combination of pentagonal dodecahedron, cube, and octahedron. Combination of Pentagonal Dodecahedron, Dyakis-dodecahedron, and Octahedron

Represents the combination of pentagonal dodcahedron, dyakis-dodecahedron and octahedron. Combination of Rhombic Dodecahedron and Octahedron

"...shows the rhombic dodecahedron in combination with the octahedron." -The Encyclopedia Britannica… Combination of Tetrahedron and Rhombic Dodecahedron

A combination of a tetrahedron and a rhombic dodecahedron. Combination of Tetrahedron, Cube and Rhombic Dodecahedron

A tetrahedral combination. Cube and dodecahedron

"A combination of dodecahedron and cube." — Ford, 1912 Cube, dodecahedron and tetrahedron

"A combination of cube, dodecahedron, and tetrahedron." — Ford, 1912 Cube, octahedron and dodecahedron

A cube, octahedron, and dodecahedron. Deltoid Dodecahedron

"This is the hemihedral form of the triakis-octahedron; it has the indices {hhk} and is bounded by tweleve… Dodecahedron

Principal forms of the isometric system: dodecahedron. Dodecahedron and hexoctahedron

"A combination of dodecahedron and hexoctahedron." — Ford, 1912 Dodecahedron and trapezohedron

A dodecahedron and trapezohedron. Dodecahedron and trapezohedron

A dodecahedron and trapezohedron Deltoid dodecahedron

"The faces of the deltoid dodecahedron correspond to one-half those of the trisoctahedron." —… Great Dodecahedron

A regular solid each face of which has the same boundaries as five covertical faces of an ordinary icosahedron. Pattern for Dodecahedron

Pattern that can be cut out and folded to construct a regular dodecahedron. Fold on the dotted lines,… Pentagonal Dodecahedron

A solid consisting of similiar faces, each of which is a pentagon. Pentagonal Dodecahedron

Illustration showing a pentagonal dodecahedron. Rhombic Dodecahedron

A solid consisting of 12 similiar faces, each of which is rhomb, the angle between any two adjacent… Stellated Dodecahedron

A regular solid each face of which formed by stellating a face of the dodecahedron. Dodecahedron, trapezohedron and hexoctahedron

"A combination of of dodecahedron, trapezohedron, and hexoctahedron." — Ford, 1912 Trigonal Dodecahedron

Illustration showing a trigonal dodecahedron. Truncated Dodecahedron

A regular dyocaetriacontahedron formed by cutting off the faces of a regular dodecahedron parallel to… Dyakis-dodecahedron

"This is the hemihedral form of the hexakis-octahedron and has the indicies {hkl}; it is bounded by… Dyakisdodecahedron

Illustration showing a dyakisdodecahedron or diploid. Galena

A combination of the cube (h), the octahedron (o), and the dodecahedron (d). Hexahedron and Dodecahedron

Illustration showing the combination of a hexahedron and an dodecahedron. Octahedron and dodecahedron

A combination of octahedron and dodecahedron. Octahedron and Dodecahedron

Illustration showing the combination of a octahedron and an dodecahedron. Pentagonal Dodecahedron

"This is bounded by twelve pentagonal faces, but these are not regular pentagons, and the angles over… Phosphorus

"At the freezing point [phosphorus] hardens, becomes brittle, and shows, on being broken, evidences… Regular Polyhedrons

Illustration of regular polyhedrons: tetrahedron, hexahedron, octahedron, dodecahedron, icosahedron. Pyritohedron

A pentagonal dodecahedron. A solid contained by twelve pentagons. Rhombic Dodecahedron

"Science has succeeded in classifying the thousands of known crystals in six systems, to each of which… Rhombic Dodecahedron

A geometric shape containing twelve faces. Rhombic Dodecahedron

"Bounded by twelve rhomb-shaped faces parallel to the six dodecahedral planes of symetry. the angles… Various Solid Forms

Illustration containing a tetrahedron, hexahedron, octahedron, dodecahedron, and icosahedron, placed… Small Stellated Dodecahedron

A solid formed my stellating each face of the ordinary dodecahedron. Tetrahedral Pentagonal Dodecahedron

"This is bounded by twelve irregular pentagons, and is a tetartohedral or quarter-faced for of the hexakis-octahedron."… Tetrahedron and dodecahedron

"The combination of tetrahedron and dodecahedron." — Ford, 1912 Tetrahedron, Cube, and Dodecahedron in Combination

This form shows a tetrahedron (o), cube (h), and dodecahedron (d) in combination.