calc-spar

American  

[kalk-spahr] / ˈkælkˌspɑr /

Or calcspar

noun

1. calcite.

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Etymology

Origin of calc-spar

1815–25; < Swedish kalkspat calc-spar; t > r by association with spar ³; see calc-

Example Sentences

These shells are built up of little crystals of calc-spar, and to form these crystals the structural force had to deal with the intangible molecules of carbonate of lime.

From The Voice of Science in Nineteenth-Century Literature Representative Prose and Verse by Various

In some parts, the rauchwacke is the predominating rock, and has its cells beautifully powdered with crystals of quartz or of calc-spar, and contains layers of chert of a milky colour.

From Narrative of a Second Expedition to the Shores of the Polar Sea by Franklin, John

The external form of the prism may thus be similar to the Hartnack, the calc-spar being replaced by glass.

From Scientific American Supplement, No. 441, June 14, 1884. by Various

In calc-spar, as just stated, the ordinary ray is the most refracted.

From Six Lectures on Light Delivered In The United States In 1872-1873 by Tyndall, John

The mineral had, however, long been known under the names calcareous spar and calc-spar, and the beautifully transparent variety called Iceland-spar had been much studied.

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