heavy spar


noun Mineralogy.

Origin of heavy spar

First recorded in 1780–90

Example sentences from the Web for heavy spar

  • 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

another name for barytes