Tetragonal Ditetragonal Pyramidal Class

Axial Configuration	Paper Model

Tetragonal - Ditetragonal Pyramidal Class (4 m m)  Mineral Species Listing

Synonyms: Hemimorphic Class, Iodosuccinimide Type, Holohedral Hemimorphic, or Ditetragonal Polar Class.

Space Groups in class: I4₁cd, I4₁md, I4cm, I4mm, P4₂bc, P4₂cm, P4₂mc, P4₂nm, P4bm, P4cc, P4mm, and P4nc.

Example of the Tetragonal Ditetragonal-pyramidal class symmetry in stereo using JCrystal Applet by Steffen Weber.

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Example of the Tetragonal Ditetragonal-pyramidal class symmetry in stereo using Faces (version 3.5) by Georges Favreau.