Difference between revisions of "Twinning by pseudomerohedry"
From Online Dictionary of Crystallography
AndreAuthier (talk | contribs) |
|||
Line 8: | Line 8: | ||
Chapter 3.3 of ''International Tables of Crystallography, Volume D''<br> | Chapter 3.3 of ''International Tables of Crystallography, Volume D''<br> | ||
− | [[Category: | + | [[Category:Twinning]] |
Revision as of 09:43, 15 May 2006
Maclage par pseudomériédrie (Fr). Macla por pseudomeriedria (Sp). Geminazione per pseudomeroedria(It)
Twinning by pseudomerohedry
A lattice is said to be pseudosymmetric if at least a lattice row or/and a lattice plane approximately correspond to elements of symmetry; these elements can act as twinning operators (e.g., a monoclinic lattice with its oblique angle close to 90° is pseudo-orthorhombic and thus shows two pseudo twofold axes and two pseudo mirror planes).
Chapter 3.3 of International Tables of Crystallography, Volume D