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.

Vein"stone` (?), n. (Mining) Valueless material surrounding the ore in a lode; gangue; matrix.

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.

Vein"stone` (?), n. (Mining) Valueless material surrounding the ore in a lode; gangue; matrix.