Macle
Macle is a term used in crystallography. It is a crystalline form, twin-crystal or double crystal (such as chiastolite). Macle is an old French word, a heraldic term for a voided lozenge (one diamond shape within another). Etymologically the word is derived from the Latin macula meaning spot, mesh, or hole.
Bibliography
- Georges Friedel (1904) "Étude sur les groupements cristallins", Extrait du Bulletin de la Société de l'Industrie minérale, Quatrième série, Tomes III e IV. Saint-Étienne, Société de l’Imprimerie Théolier J. Thomas et C., 485 pp.
- Georges Friedel (1920) "Contribution à l'étude géométrique des macles", Bulletin de la Société française de Minéralogie 43: 246-295.
- Georges Friedel (1926) Leçons de Cristallographie, Berger-Levrault, Nancy, Paris, Strasbourg XIX+602 pp.
- Georges Friedel (1933) "Sur un nouveau type de macles", Bulletin de la Société française de Minéralogie 56: 262-274.
- J.D.H. Donnay (1940) "Width of Albite-Twinning Lamellae", Am. Mineral., 25: 578-586.
See also
- Macle on the French Wikipedia about "macle" in cristallography
This article is issued from Wikipedia - version of the 2/14/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.