feldspar definition of feldspar by merriam webster

Feldspar - Merriam-Webster's Learner's Dictionary

Definition of feldspar written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels.

Definition of ALKALI FELDSPAR - Merriam-Webster

Alkali feldspar definition is - feldspar containing alkali metals (such as sodium or potassium or both) but little calcium.

Feldspathic Definition of Feldspathic by Merriam-Webster

Feldspathic definition is - relating to or containing feldspar.

Feldspar Definition of Feldspar at Dictionary

Feldspar definition, any of a group of 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. See more.

Feldspar Meaning Best 4 Definitions of Feldspar

What does feldspar mean? Any of a group of abundant rock-forming minerals occurring in igneous, metamorphic, and sedimentary rocks, and consistin...

Feldspar - Wikipedia

Etymology. The name feldspar derives from the German Feldspat, a compound of the words Feld ("field") and Spat ("flake"). Spat had long been used as the word for "a rock easily cleaved into flakes"; Feldspat was introduced in the 18th century as a more specific term, referring perhaps to its common occurrence in rocks found in fields (Urban Brückmann, 1783) or to its occurrence as "fields ...

Labrador feldspar - definition of Labrador feldspar by The ...

Labrador feldspar synonyms, Labrador feldspar pronunciation, Labrador feldspar translation, English dictionary definition of Labrador feldspar. See Labradorite. See also: Labrador Webster's Revised Unabridged Dictionary, published 1913 by G. C. Merriam Co

FELDSPAR Definition of FELDSPAR by Oxford Dictionary on ...

‘Larger crystals of feldspar and quartz dominate the host rock.’ ‘These granite dikes are composed almost totally of potassium feldspar and quartz.’ ‘Minerals such as feldspar, which are insoluble in water, will not give a positive test.’ ‘Its most abundant mineral is feldspar

Feldspar Definition of Feldspar by Oxford Dictionary on ...

‘Larger crystals of feldspar and quartz dominate the host rock.’ ‘These granite dikes are composed almost totally of potassium feldspar and quartz.’ ‘Minerals such as feldspar, which are insoluble in water, will not give a positive test.’ ‘Its most abundant mineral is feldspar

Labrador feldspar - definition of Labrador feldspar by The ...

Labrador feldspar synonyms, Labrador feldspar pronunciation, Labrador feldspar translation, English dictionary definition of Labrador feldspar. See Labradorite. See also: Labrador Webster's Revised Unabridged Dictionary, published 1913 by G. C. Merriam Co

feldspar – Wiktionary

feldspar (Englisch): ↑ Merriam-Webster Online Dictionary „feldspar“, Dictionary Englisch-Englisches Wörterbuch, Thesaurus und Enzyklopädie „feldspar“, Online Etymology Dictionary „feldspar“ ↑ Delesse, On the Porphyry of Belgium, 6 November 1850, in The Quarterly Journal of the Geological Society of London, 7. Band (1851), 1 ...

Glassy feldspar - definition of Glassy feldspar by The ...

Glassy feldspar synonyms, Glassy feldspar pronunciation, Glassy feldspar translation, English dictionary definition of Glassy feldspar. a variety of orthoclase; sanidine. See also: Glassy Webster's Revised Unabridged Dictionary, published 1913 by G. C. Merriam Co

Definitions of feldspars - OneLook Dictionary Search

(Note: See feldspar for more definitions.) Quick definitions from WordNet ( feldspar ) noun : any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or

Feldspar Earth Sciences Museum University of Waterloo

Feldspar was officially given its name by Johan Gottschalk Wallerius in 1747. It is a contraction of the longer name fieldspar as some early specimens were found in fields. The term spar is a generic term used to refer to any non-metallic mineral with a vitreous (glassy) lustre that breaks on

Albite : definition of Albite and synonyms of Albite (English)

Albite Al"bite ( ), n. [L. albus white.] (Min.) A mineral of the feldspar family, triclinic in crystallization, and in composition a silicate of alumina and soda. It is a common constituent of granite and of

Plagioclase : definition of Plagioclase and synonyms of ...

Plagioclase is an important series of tectosilicate minerals within the feldspar family. Rather than referring to a particular mineral with a specific chemical composition, plagioclase is a solid solution series, more properly known as the plagioclase feldspar series (from the Greek "oblique fracture", in reference to its two cleavage angles). This was first shown by the German mineralogist ...

Anorthite : definition of Anorthite and synonyms of ...

Anorthite A*nor"thite ( ), n. [Gr. 'an priv. + straight ( sc. right angle); not in a right angle.] A mineral of the feldspar family, commonly occurring in small glassy crystals, also a constituent of some igneous rocks. It is a lime feldspar.

feldspars - Hindi Meaning (हिंदी मतलब) 'feldspars' in ...

feldspar felicide felicitate felicitated felicitating felicitation . See 'feldspars' also in: Google Translator Shabdkosh Wikipedia Dictionary Merriam Webster. Learn words by topic.

Microcline : definition of Microcline and synonyms of ...

Microcline (KAlSi 3 O 8) is an important igneous rock-forming tectosilicate mineral.It is a potassium-rich alkali feldspar.Microcline typically contains minor amounts of sodium.It is common in granite and pegmatites.Microcline forms during slow cooling of orthoclase; it is more stable at lower temperatures than orthoclase. Sanidine is a polymorph of alkali feldspar stable at yet higher ...

Definitions of feldspar - OneLook Dictionary Search

feldspar: Merriam-Webster [home, info] feldspar : Oxford Dictionaries [ home , info ] feldspar : American Heritage Dictionary of the English Language [ home , info ]

Aventurine feldspar - definition of Aventurine feldspar by ...

Aventurine feldspar synonyms, Aventurine feldspar pronunciation, Aventurine feldspar translation, English dictionary definition of Aventurine feldspar. a variety of oligoclase with internal firelike reflections due to the presence of minute crystals, probably of hematite; sunstone.

oligoclase : definition of oligoclase and synonyms of ...

oligoclase (n.). 1. any of a series of triclinic feldspars that form rocks Advertizing Merriam Webster

Perthite : definition of Perthite and synonyms of Perthite ...

Perthite is used to describe an intergrowth of two feldspars: a host grain of potassium-rich alkali feldspar (near K-feldspar, KAlSi 3 O 8, in composition) includes exsolved lamellae or irregular intergrowths of sodic alkali feldspar (near albite, NaAlSi 3 O 8, in composition).Typically the host grain is orthoclase or microcline, and the lamellae are albite.

felspar - Official Scrabble Players Dictionary

feldspar. See the full definition of felspars at merriam-webster ... The perfect dictionary for playing SCRABBLE ® - an enhanced version of the best-selling book from Merriam-Webster. Learn More » The Merriam-Webster Unabridged Dictionary Online access to a ...

feldspar – Wiktionary

feldspar (Englisch): ↑ Merriam-Webster Online Dictionary „feldspar“, Dictionary Englisch-Englisches Wörterbuch, Thesaurus und Enzyklopädie „feldspar“, Online Etymology Dictionary „feldspar“ ↑ Delesse, On the Porphyry of Belgium, 6 November 1850, in The Quarterly Journal of the Geological Society of London, 7. Band (1851), 1 ...

Definitions of feldspars - OneLook Dictionary Search

(Note: See feldspar for more definitions.) Quick definitions from WordNet ( feldspar ) noun : any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or

Aventurine feldspar - definition of Aventurine feldspar by ...

Aventurine feldspar synonyms, Aventurine feldspar pronunciation, Aventurine feldspar translation, English dictionary definition of Aventurine feldspar. a variety of oligoclase with internal firelike reflections due to the presence of minute crystals, probably of hematite; sunstone.

Feldspar Earth Sciences Museum University of Waterloo

Feldspar was officially given its name by Johan Gottschalk Wallerius in 1747. It is a contraction of the longer name fieldspar as some early specimens were found in fields. The term spar is a generic term used to refer to any non-metallic mineral with a vitreous (glassy) lustre that breaks on

oligoclase : definition of oligoclase and synonyms of ...

oligoclase (n.). 1. any of a series of triclinic feldspars that form rocks Advertizing Merriam Webster

Anorthite : definition of Anorthite and synonyms of ...

Anorthite A*nor"thite ( ), n. [Gr. 'an priv. + straight ( sc. right angle); not in a right angle.] A mineral of the feldspar family, commonly occurring in small glassy crystals, also a constituent of some igneous rocks. It is a lime feldspar.

feldspar - Hindi Meaning (हिंदी मतलब) 'feldspar' in ...

See 'feldspar' also in: Google Translator Shabdkosh Wikipedia Dictionary Merriam Webster. Learn words by topic

feldspars - Hindi Meaning (हिंदी मतलब) 'feldspars' in ...

feldspar felicide felicitate felicitated felicitating felicitation . See 'feldspars' also in: Google Translator Shabdkosh Wikipedia Dictionary Merriam Webster. Learn words by topic.

Perthite : definition of Perthite and synonyms of Perthite ...

Perthite is used to describe an intergrowth of two feldspars: a host grain of potassium-rich alkali feldspar (near K-feldspar, KAlSi 3 O 8, in composition) includes exsolved lamellae or irregular intergrowths of sodic alkali feldspar (near albite, NaAlSi 3 O 8, in composition).Typically the host grain is orthoclase or microcline, and the lamellae are albite.

feldspar - Bengali Meaning - feldspar Meaning in Bengali ...

Feldspar meaning in Bengali - অ্যালুমিনিয়াম পটাশিয়াম; ; felspar; English – Bangla English (E2B) Online ...

English to Bangla Meaning of feldspar - bdword

(1) Its most abundant mineral is feldspar , which accounts for two-thirds of the Earth's crust. (2) Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon. (3) Larger crystals of feldspar and quartz dominate the host rock. (4) Minerals such as feldspar , which are insoluble in water, will not give a positive test.

Sanidine : definition of Sanidine and synonyms of Sanidine ...

Sanidine is the high temperature form of potassium feldspar (K,Na)(Si,Al) 4 O 8. [1] Sanidine most typically occurs in felsic volcanic rocks such as obsidian, rhyolite and trachyte.Sanidine crystallizes in the monoclinic crystal system. Orthoclase is a monoclinic polymorph stable at lower temperatures. At yet lower temperatures, microcline, a triclinic polymorph of potassium feldspar, is stable.

plagioclase - WordReference Dictionary of English

plagioclase - WordReference English dictionary, questions, discussion and forums. All Free.

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