culet facet

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• Facet — Facets are flat faces on geometric shapes. The organization of naturally occurring facets was key to early developments in crystallography, since they reflect the underlying symmetry of the crystal structure. Gemstones commonly have facets cut… …   Wikipedia

• Culet — For the element of plate armour, see Culet (armour). In gemology, a culet is a flat face on the bottom of a gemstone. During the 14th century, after the adoption of the table cut, a further facet was added to the bottom of the cut parallel to the …   Wikipedia

• facet — /fas it/, n., v., faceted, faceting or (esp. Brit.) facetted, facetting. n. 1. one of the small, polished plane surfaces of a cut gem. 2. a similar surface cut on a fragment of rock by the action of water, windblown sand, etc. 3. aspect; phase:… …   Universalium

• culet — noun Etymology: French, from diminutive of cul backside, from Latin culus; akin to Old Irish cúl back Date: 1678 1. the small flat facet at the bottom of a brilliant parallel to the table see brilliant illustration 2. plate armor covering the… …   New Collegiate Dictionary

• facet — I (New American Roget s College Thesaurus) n. face, surface, plane, bezel, culet; aspect, phase. See exterior. II (Roget s IV) n. Syn. aspect, face, side; see phase , plane 1 . See Synonym Study at phase . III (Roget s 3 Superthesaurus) n. aspect …   English dictionary for students

• culet — ˈkyülə̇t noun ( s) Etymology: French, diminutive of cul bottom, backside, from Latin culus; akin to Old Frisian skūl hiding place, Middle Low German schūl, Old Norse skjōl hiding place, refuge, barn, Old Irish cūl hiding place, Welsh cil, Old… …   Useful english dictionary

• грани калеты — Грани, расположенные между калетой и основными гранями павильона (цирконовая гранка). [Англо русский геммологический словарь. Красноярск, КрасБерри. 2007.] Тематики геммология и ювелирное производство EN culet facet …   Справочник технического переводчика

• Diamond cut — This article is about diamond cut styles. For a broader discussion of decorative diamonds, see Diamond (gemstone). Part of a series on Diamonds Material …   Wikipedia

• Brilliant (diamond cut) — A brilliant is a diamond or other gemstone, cut in a particular form with numerous facets so as to have especial brilliancy. The shape resembles that of a cone and is meant to maximize light return through the top of the diamond.Even with modern… …   Wikipedia

• Diamond (gemstone) — Part of a series on Diamonds Material Material properties Crystallographic defects Formatio …   Wikipedia

• Diamond clarity — Part of a series on Diamonds Material Material properties Crystallographic defects Formatio …   Wikipedia