Image: Crystal group 7: Tetragonal - Pyramid

Crystal group 7: Tetragonal - Pyramid

Crystal group 7: Tetragonal - Pyramid.

Creator:
Australian Museum Design Unit
Rights:
© Australian Museum

Notes

Tetragonal (tet): where horizontal (a) and (b) axes are of equal length and angles between each axis are 90°. The vertical (c) axis can be longer or shorter than the horizontal axes.

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Tags crystallography, crystal systems, crystal shapes, minerals, geology,