heavy spar

American  

noun

Mineralogy.

1. barite.

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heavy spar British  

noun

1. another name for barytes

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Etymology

Origin of heavy spar

First recorded in 1780–90

Example Sentences

See Examples For:

heavy spar

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 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)

They stopped and turned toward her, just as a heavy spar crashed to the deck before them.

From The Holladay Case A Tale by Stevenson, Burton Egbert

Composed of heavy spar and the carbonate in equal proportions.

From Field's Chromatography or Treatise on Colours and Pigments as Used by Artists by Salter, Thomas

It would not come, and the heavy spar struck them as it jerked in board, flinging Frank off into the well.

From The Boy Ranchers of Puget Sound by Bindloss, Harold