Difference between revisions of "Twinning by pseudomerohedry"
From Online Dictionary of Crystallography
BrianMcMahon (talk | contribs) (Tidied translations and added German (U. Mueller)) |
|||
| (8 intermediate revisions by 3 users not shown) | |||
| Line 1: | Line 1: | ||
| − | + | <font color="blue">Maclage par pseudomériédrie</font> (''Fr''). <font color="red">Pseudomeroedrische Verzwillingung</font> (''Ge''). <font color="black">Geminazione per pseudomeroedria</font> (''It''). <font color="purple">擬欠面双晶</font> (''Ja''). <font color="green">Macla por seudomeroedría</font> (''Sp''). | |
| − | + | 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). | |
| − | + | == See also == | |
| + | *Chapter 3.3 of ''International Tables for Crystallography, Volume D'' | ||
| + | |||
| + | [[Category:Twinning]] | ||
Revision as of 14:32, 20 November 2017
Maclage par pseudomériédrie (Fr). Pseudomeroedrische Verzwillingung (Ge). Geminazione per pseudomeroedria (It). 擬欠面双晶 (Ja). Macla por seudomeroedría (Sp).
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).
See also
- Chapter 3.3 of International Tables for Crystallography, Volume D