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heavy spar

American  

noun

Mineralogy.
  1. barite.


heavy spar British  

noun

  1. another name for barytes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of heavy spar

First recorded in 1780–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cawk, kawk, n. a miner's familiar name for heavy spar.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various

Jimmy moved the heavy spar, the boat lifted one side an inch or two, and Moran, lying on the deck, leaned down toward the water.

From The Secret of the Reef by Bindloss, Harold

The mineral barite is a heavy white sulphate of barium, frequently called "barytes" or "heavy spar."

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

For the sake of completeness I may say that many crystals cleave with unequal facility in different directions: heavy spar presents an example of this kind of cleavage.

From Fragments of science, V. 1-2 by Tyndall, John

The mine is characterized by yielding no heavy spar; sometimes a little calcareous spar is found, and then adhering to the ores; a circumstance which I have nowhere else observed.

From Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas by Schoolcraft, Henry Rowe