Tetragonal - Disphenoidal Class

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

Axial Diagram, Paper Model and KrystalShaper Form

Axial Configuration	Paper Model

Tetragonal - Disphenoidal Class (4)  Mineral Species Listing

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

Synonyms: Tetartohedral Class, Sphenoidal Tetartohedral, or Tetragonal Alternating Class.

Space Groups in class: I4 and P4.

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

Java Applet Not Started

Example of the Tetragonal disphenoidal 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