acicular

Example Sentences

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Delicate acicular crystals of considerable length were found long ago in the Pentire Glaze mine near St Minver in Cornwall.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

One, named Einerguendi by Brown, consisted of compact felspar, coloured green by chlorite, with grains of quartz and acicular crystals of felspar.

From Three Expeditions into the Interior of Eastern Australia, Volume 1 by Mitchell, Thomas

The crystals are usually small and are prismatic or acicular in habit; they have a perfect cleavage parallel to the face lettered a in the adjoining figure.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

Minute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

Those of the beryl we sometimes find quite flat, as though they had been compressed by force: then again they are acicular and of extraordinary length, considering their slender diameter.

From Lippincott's Magazine of Popular Literature and Science Volume 11, No. 27, June, 1873 by Various