acicular

Example Sentences

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The fragments are angular or rounded, small or large, and consist of bluish or reddish compact feldspathic matter, in which a few acicular crystals of feldspar can sometimes be seen.

From Geological Observations on South America by Darwin, Charles

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

Sagenite, sāj′en-īt, n. acicular crystals of rutile occurring in reticulated forms embedded in quartz.—adj.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

Hyoscyamine crystallizes in the acicular form, with greater difficulty even than atropine, it also forms less compact crystals.

From Scientific American Supplement, No. 324, March 18, 1882 by Various

Much of the calcium in sea-water exists as sulphate; and on evaporation of a drop of sea-water under the microscope this sulphate is deposited as acicular crystals of gypsum.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" by Various