veinstone

English

Etymology

vein +‎ stone

Noun

veinstone (countable and uncountable, plural veinstones)

1. (geology, mining) Synonym of gangue
   • 2011, Robert Kane, The Industrial Resources of Ireland, page 183:

     The effect of this mixture is to reduce the per centage of copper, which is further depressed by the impossibility of separating, even by the most perfect machinery, all the adherent rock and veinstone from the ore.

Anagrams

• vonsenite