Definition of veinstone in English:

veinstone

noun

  • another term for gangue
    • ‘Some of this is disseminated within the veinstone, but there is evidence from a number of lodes that, after the initial tourmaline deposition, a residual quartz/cassiterite phase was produced.’
    • ‘The veinstone is pure quartz containing water in microscopical cavities, as in the quartz crystals of granite, but not combined as in the hydrous siliceous sinter deposited from hot springs.’

Pronunciation

veinstone

/ˈveɪnstəʊn/