(Translated by https://www.hiragana.jp/ )
Trigonal - Trapezohedral Class (3 2) Crystal Shape
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Trigonal - Trapezohedral Class (3 2)
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Space Groups in class: P3112, P312, P3121, P321, P3212, P3221, and R32.
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System
Class Name
AXES
Planes
Center
Hermann-
Maugin
Symbols
2-Fold
3-Fold
4-Fold
6-Fold
Trigonal
Trapezohedral
3
1
-
-
-
-
32