Tetragonal 422 (D4)

3D ModelNoAI

Crystal System: Tetragonal

Crystal Class/Point Group (Hermann-Mauguin notation): 422

Crystal Class/Point Group (Schönflies notation): D4

Symmetry: 1A4, 4A2

Name of Class: Tetragonal-trapezohedral

Notes: This class has a 4 fold axis perpendicular to 4 2-fold axes. There are no mirror planes. Only one rare mineral belongs to this class.

Website: http://geology.uaic.ro/muzee/mineralogie/

Concept & 3D-modelling by Andrei Ionut APOPEI