Trigonal - Hexagonal Scalenohedral Class

Trigonal - Hexagonal Scalenohedral Class (H-M Symbol (3 2/m))

Axial Diagram, Paper Model and KrystalShaper Form

Axial Configuration	Paper Model

Trigonal - Hexagonal Scalenohedral Class (3 2/m)  Mineral Species Listing

System	Class Name	AXES				Planes	Center	Hermann- Maugin Symbols
		2-Fold	3-Fold	4-Fold	6-Fold
Trigonal	Hexagonal Scalenohedral	3	1	-	-	3	yes	3 2/m

Synonyms: Calcite Type, Ditrigonal Scalenohedral, Hexagonal Scalenohedral, Rhomohedral Hemihedral, or Dihexagonal Alternating Class.

Space Groups in class: P31c, P31m, P3c1, P3m1, R3c, and R3m.

Example of the Trigonal - scalenohedral class symmetry in stereo using JCrystal Applet by Steffen Weber.

Java Applet Not Started

Example of the Trigonal - scalenohedral 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

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