fel·spar

(fĕl′spär′)

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

felspar

(ˈfɛlˌspɑː)

(Minerals) a variant (esp Brit) of feldspar

felspathic, ˈfelspathˌose adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

feld•spar

(ˈfɛldˌspɑr, ˈfɛl-)

also felspar

any of a group of crystalline minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks.

[1765–75; alter. of feldspath < German (Feld field + Spat(h) spar)]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

felspar - any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium

feldspar

atomic number 14, Si, silicon - a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors

orthoclase - a white or colored monoclinic feldspar

oligoclase, plagioclase - any of a series of triclinic feldspars that form rocks

moonstone - a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar

spar - any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable

Translations

feldspath

felspar

[ˈfelspɑːʳ] N → feldespato m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

felspar

n → Feldspat m

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

Mentioned in

References in classic literature

It was composed of black and vitreous lava, mixed with fragments of felspar. And lastly, on the 10th of March, a smaller island, called Reka, showed itself near Nea Kamenni, and since then these three have joined together, forming but one and the same island."

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Beudant [11] succeeded in making tubes, in most respects similar to these fulgurites, by passing very strong shocks of galvanism through finely-powdered glass: when salt was added, so as to increase its fusibility, the tubes were larger in every dimension, They failed both with powdered felspar and quartz.

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Thus she contrives to intenerate the granite and felspar, takes the boar out and puts the lamb in and keeps her balance true.

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It could be considered that the entire roof of the working face was dominated by relatively intact sandstone, while the main roof was felspar sandstone stratum of 19.79 m (ultra-thick sandstone of nearly 20 m).

Study on Fracture and Stress Evolution Characteristics of Ultra-Thick Hard Sandstone Roof in the Fully Mechanized Mining Face with Large Mining Height: A Case Study of Xiaojihan Coal Mine in Western China

<BJewel fabric, PS52.50 per metre (Moonstone, Lapis, Starlite, Rhodolite, Felspar, Jade, Ruby and Amethyst), width 140cms, Extex.

Make your Eastern promise; Vibrant, luxe and oh-so inviting, channelling the style of the Orient might be easier than you think. Sam Wylie-Harris points her compass East

They include four from Merseyside - Steven Kehoe, 29, of Felspar Road, Liverpool; Thomas Kehoe, 26, of Liverpool; Daniel O'Flahertty, 22, of Grove Road in Wallasey and John Hunt, 50, of Prescot Road, Old Swan, Liverpool.

Drugs plot: Five charged; SUNDAY SHORTS

They contain relict and fragile deformed felspar crystals.

Structural analysis within the Rozna and Olsi uranium deposits (Strazek Moldanubicum) for the estimation of deformation and stress conditions of underground gas storage

FELDSPAR CONTENT: % of felspar from <5% - >75% (white grains of detrital plagioclase or ortlioclase)

Mineria prehistorica en gran Bretana: el estudio de herramientas mineras liticas a partir de estudios artefactuales, etnografia y experimentacion

The materials of shadowy celadon in the Song Dynasty were different from those of common ceramics made from quartz, felspar and kaolinite.

Shadowy celadon: Cao Chunsheng describes the characteristics of shadowy celadon sculpture in Jingdezhen in the Song Dynasty

Porcelain, in a thin filigree of precious translucent clay body composed of valuable kaolin, quartz and felspar, when hit with light not only emits the sensation of reverberation and luminosity but also of vibration and elusive shadows.

Antonella Cimatti: refined poetry of porcelain and light