Tetragonal - Pyramidal Class

Tetragonal - Pyramidal Class (H-M Symbol (4))

Axial Diagram, Paper Model and KrystalShaper Form

Axial Configuration	Paper Model

Tetragonal - Pyramidal Class (4)  Mineral Species Listing

System	Class Name	AXES				Planes	Center	Hermann- Maugin Symbols
		2-Fold	3-Fold	4-Fold	6-Fold
Tetragonal	Pyramidal	-	-	1	-	-	-	4

Synonyms: Pyramidal-Hemimorphic Class, Wulfenite Type, Hemihedral Hemimorphic, or Tetragonal Polar Class.

Space Groups in class: I4, I4₁, P4, P4₁, P4₂, and P4₃.

Example of the Tetragonal Pyramidal class symmetry in stereo using JCrystal Applet by Steffen Weber.

Java Applet Not Started

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

LEGEND: Bold - (Valid Mineral Species)     ! - Dana Number Added     # - (Grandfathered as Valid}     ? - (Discredited or otherwise Invalid Species)     * - (Not Approved IMA)     See Mouse Pointer Tool Tip on Mineral Name for more Information