Vein"stone` (?), n.

The nonmetalliferous mineral or rock material which accompanies the ores in a vein, as quartz, calcite, barite, fluor spar, etc.; -- called also veinstuff.


© Webster 1913

Vein"stone` (?), n. (Mining)

Valueless material surrounding the ore in a lode; gangue; matrix.


© Webster 1913

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