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Monoclinic crystal system
In crystallography, the monoclinic crystal system is one of the 7 lattice point groups. A crystal system is described by three vectors. In the monoclinic system, the crystal is described by vectors of unequal length, as in the orthorhombic system. They form a rectangular prism with a parallelogram as base. Hence two pairs of vectors are perpendicular, while the third pair make an angle other than 90°.
Additional recommended knowledge
There exist two monoclinic Bravais lattices: the simple monoclinic and the centered monoclinic lattices, with layers with a rectangular and rhombic lattice, respectively.
The number of space groups for each crystal class is 6, 3, and 4, respectively.
The three monoclinic hemimorphic space groups are as follows:
The four monoclinic hemihedral space groups include
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Monoclinic_crystal_system". A list of authors is available in Wikipedia.