SEARCH Articles Figures Tables Application of space group symmetry in crystal structure determination Crystal symmetry Microscopic Symmetry Elements in Crystals Optical properties that indicate symmetry in a crystal Site Symmetry in Crystals. Wyckoff Positions Site symmetry in crystals Space Symmetry in Liquid Crystals Symmetry and Chirality in Liquid Crystals Symmetry elements in crystals Symmetry in crystal structures The Symmetry Principle in Crystal Chemistry