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hornblende schist

noun

, Petrography.
  1. a variety of schist containing needles of hornblende that lie in parallel planes.


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Word History and Origins

Origin of hornblende schist1

First recorded in 1815–25
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Example Sentences

He had some very fine teacups of agate and hornblende schist with finely chased silver covers, which I admired very much.

If hornblende is the most abundant mineral, the same scaly structure shows in a dark rock called hornblende schist, rich in iron.

Of hornblende schist; these are elongate and intended to be used with both hands. 12-13.

All night long, stopping only when one or the other fell, they ploughed over basalt and hornblende schist that lacerated their feet, over blanched immensities under the steel moon, across grim, black ridges and through a basin of clay, circled by hills.

Hornblende schist also occur and a compact felspathic rock in the Suris defile.

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