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pointgroups

forms

4/mmm

42m

4mm

422

4/m

 4 

 4 

pinacoid

+ + - + + +-

1st order Tetragonal prism

+ + + + + ++

2nd order Tetragonal prism

+ + + + + ++

3d order Tetragonal prism

- - - - + ++

DiTetragonal prism

+ + + + - --

1st order Tetragonal dipyramid

+ - - + + --

2nd order Tetragonal dipyramid

+ + - + + --

3d order Tetragonal dipyramid

- - - - + --

DiTetragonal dipyramid

+ - - - - --

Pedion

- - + - - -+

1st order Tetragonal pyramid

- - + - - -+

2nd order Tetragonal pyramid

- - + - - -+

3d order Tetragonal pyramid

- - - - - -+

DiTetragonal pyramid

- - + - - --

Tetragonal trapezohedron

- - - + - --

1st order Tetragonal disphenoid

- + - - - +-

2nd order Tetragonal disphenoid

- - - - - +-

3d order Tetragonal disphenoid

- - - - - +-

Tetragonal scalenohedron

- + - - - --