Definitions for: Veinstone

Webster (1913) Definition: 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.