felspar
Americannoun
noun
Other Word Forms
Etymology
Origin of felspar
< German Fels rock + spar 3, by false etymological analysis
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It is composed of quartz, red felspar, and dark green chlorite; and is accompanied with gneiss of the same composition.
From In the Arctic Seas A Narrative of the Discovery of the Fate of Sir John Franklin and his Companions by Francis Leopold McClintock
At their outer edges they pass gradually into the granite, for they contain felspar crystals more or less completely altered into aggregates of white mica and quartz.
From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 "Greek Law" to "Ground-Squirrel" by Various
Around the garnets there is often a radial grouping of small grains of pyroxene and hornblende in a clear matrix of felspar: these “centric” structures are frequent in granulites.
From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various
In the decomposition of granite, this felspar is the first thing to give way; it becomes friable, and rains or rivers wash it down.
From Harper's New Monthly Magazine Vol. IV, No. 19, Dec 1851 by Various
Syenite, composed of honey-yellow felspar and hornblende, in very large crystals, the felspar passing into red and pink, and the whole rock mass penetrated by veins of the same material, but fine grained.
From In the Arctic Seas A Narrative of the Discovery of the Fate of Sir John Franklin and his Companions by Francis Leopold McClintock
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