9# Ditetragonal prism

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Number of faces: 8 A crystal form is a collective arrangement of faces, all sharing the same relationship to the functions of symmetry on the crystal - the symmetry of a crystal directly influences which specific forms are present. There are forty-eight possible crystal forms (forty-seven forms defined by crystallographers at the Fedorov Institute, see https://skfb.ly/6VyCs) that can be developed as a result of thirty-two unique combinations of symmetry. Website: http://geology.uaic.ro/muzee/mineralogie/ Concept and 3D-modelling by dr. Andrei Ionut APOPEI