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heavy spar

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noun Mineralogy.
  1. barite.
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Origin of heavy spar

First recorded in 1780–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for heavy spar

Historical Examples

  • There is at the Warm Springs a thriving mill for crushing and pulverizing barites, known vulgarly as heavy-spar.

    On Horseback

    Charles Dudley Warner


British Dictionary definitions for heavy spar

heavy spar

noun
  1. another name for barytes
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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