Definition of Nepheline

1. Noun. A whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels.

Exact synonyms: Nephelite
Generic synonyms: Mineral
Substance meronyms: Nephelinite

Definition of Nepheline

1. n. A mineral occuring at Vesuvius, in glassy hexagonal crystals; also elsewhere, in grayish or greenish masses having a greasy luster, as the variety elæolite. It is a silicate of aluminia, soda, and potash.

Definition of Nepheline

1. Noun. (minerology) A feldspathoid mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, nepheline is a plagioclase feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, nepheline weathers rapidly and can only be seen as inclusions in freshly broken rock. ¹

¹ Source: wiktionary.com

Definition of Nepheline

1. [n -S]

Lexicographical Neighbors of Nepheline

nepa
nepafenac
nepenthe
nepenthean
nepenthes
neper
nepers
nepetalactone
nepetas
neph
nephalism
nephalist
nephelauxetic
nepheligenous
nepheline (current term)
nephelines
nephelinic
nephelinite
nephelinites
nephelinitic
nephelite
nephelites
nephelococcygia
nephelodometer
nephelometer
nephelometers
nephelometric
nephelometric turbidity unit
nephelometrically

Literary usage of Nepheline

Below you will find example usage of this term as found in modern and/or classical literature:

1. Petrology for Students: An Introduction to the Study of Rocks Under the by Alfred Harker (1908)
"In all these divisions the leucite-bearing and the nepheline-bearing types are on the whole distinct, though the rocks characterized by either of the ..."

2. Geological Magazine by Henry Woodward (1900)
"But as nepheline comes in, albite disappears, and in the more perfect types of nepheline-syenite no soda-felspar is recognizable. It is clear, even without ..."

3. Petrographic Methods: The Authorized English Translation of Part I by Ernst Weinschenk, Robert Watson Clark (1912)
"nepheline (6) nepheline is never found in association with quartz and it occurs entirely in the basic soda rocks of the series from nepheline syenite to ..."

4. The Nature of Ore Deposits by Richard Beck (1905)
"Segregations of Titaniferous Magnetite Iron Ore in nepheline-Syenites. The iron deposits of Alno, near the east coast of Sweden, in the Gulf of Bothnia, ..."

5. Proceedings and Transactions of the Royal Society of Canada: Déliberations by Royal Society of Canada (1908)
"The nepheline syenite here, has a schlieren structure, caused by a variation in the relative amount of the constituent minerals in the different streaks. ..."

6. The Encyclopaedia Britannica: “a” Dictionary of Arts, Sciences, Literature edited by Hugh Chisholm (1911)
"The chemical peculiarities of the nepheline-syenites are well marked, ... The group of effusive rocks which contains nepheline with plagioclase felspar is ..."

7. Elements of Chemical and Physical Geology by Gustav Bischof (1855)
"In other respects the conversion of nepheline into ... but never-failing amount of lime in nepheline, has in the course of this alteration been eliminated ..."

8. Report by Tasmania Dept. of Mines (1897)
"This is a nepheline-augite 7-ock. A brief examination serves to show that the ... The clear nepheline encloses slender rods of apatite, as well as other ..."

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