This is a crystal of Sodium Chlorate, exhibiting the tetrahedron (-o) and the pentagonal dodecahedron (p).

Sodium Chlorate

This is a crystal of Sodium Chlorate, exhibiting the tetrahedron (-o) and the pentagonal dodecahedron…

This form is a cube with its edges unsymmetrically truncated by the faces of the pentagonal dodecahedron.

Unsymmetrically Truncated Cube

This form is a cube with its edges unsymmetrically truncated by the faces of the pentagonal dodecahedron.