felspar

American  

[fel-spahr] / ˈfɛlˌspɑr /

noun

1. feldspar.

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felspar British  

/ fɛlˈspæθɪk, ˈfɛlˌspɑː /

noun

1. a variant (esp Brit) of feldspar

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Other Word Forms

• felspathic adjective

Etymology

Origin of felspar

< German Fels rock + spar ³, by false etymological analysis

Example Sentences

There is also quartz, and often a considerable amount of felspar, while graphite, tourmaline and iron oxides frequently occur in lesser quantity.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 6 "Home, Daniel" to "Hortensius, Quintus" by Various

It turned evenly, slowly, noiselessly, and, as it turned, the light from the lamp caused the quartz and mica and felspar in the granite to glisten like a thousand fire-flies on a summer's evening.

From Across the Cameroons A Story of War and Adventure by Gilson, Charles

Hydrofluoric and boric emanations exert a profound influence on granitic rocks; their felspar is resolved into aggregates of kaolin, muscovite and quartz; tourmaline appears, largely replacing the brown mica; topaz also is not uncommon.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various

But adjoining the granite is the wash from it of its dissolved felspar, the china-clay that furnishes the inhabitants of the St Austell district with a remunerative and ever-growing industry, of which more presently.

From Cornwall by Baring-Gould, S. (Sabine)

The Rapakiwi granites of Finland have many round or ovoidal felspar crystals scattered through a granitic matrix.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various