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

A mixture of two parts of heavy spar and one of the plumbous compound.

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

On feeling about we soon discovered a man, his body pressed down on the deck by a heavy spar, and partly concealed by the canvas.

From Peter Trawl The Adventures of a Whaler by Durden, James

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

It has a high specific gravity, and hence is often called heavy spar.

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

This appearance is often given by means of heavy spar, carbonate of lead, Venice talc, &c.

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