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An example of the tetragonal crystals, wulfenite Two different views (top down and from the side) of the unit cell of tP30-CrFe (σ-phase Frank–Kasper structure) that show its different side lengths, making this structure a member of the tetragonal crystal system. In crystallography, the tetragonal crystal system is one of the 7 crystal systems.
Crystal systems that have space groups assigned to a common lattice system are combined into a crystal family. The seven crystal systems are triclinic, monoclinic, orthorhombic, tetragonal, trigonal, hexagonal, and cubic. Informally, two crystals are in the same crystal system if they have similar symmetries (though there are many exceptions).
Tetragonal crystal system; Number Point group Orbifold Short name Full name Schoenflies Fedorov Shubnikov Fibrifold; 75: 4: P4: P 4 22s (:: ...
A crystal system is a set of point groups in which the point groups themselves and their corresponding space groups are assigned to a lattice system. Of the 32 point groups that exist in three dimensions, most are assigned to only one lattice system, in which case the crystal system and lattice system both have the same name.
Tetragonal crystal system (3 C, 1 P) Pages in category "Tetragonal crystals" The following 2 pages are in this category, out of 2 total.
Pages in category "Tetragonal minerals" The following 119 pages are in this category, out of 119 total. This list may not reflect recent changes. A. Abernathyite;
Tetragonal crystal system This page was last edited on 31 December 2022, at 16:52 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
Wulfenite crystallizes in the tetragonal system and possesses nearly equal axial ratios; as a result, it is considered to be crystallographically similar to scheelite (CaWO 4). [9] [10] Wulfenite is classed by a pyramidal-hemihedral (tetragonal dipyramidal) (C 4 h) crystal symmetry.