'Veinstone' definitions:
Definition of 'Veinstone'
- Veinstone \Vein"stone`\, n. (Mining)
The valueless nonmetalliferous mineral or rock material which
surrounds the ores in a vein, as quartz, calcite, barite,
fluor spar, etc.; gangue; matrix; -- called also veinstuff.
[1913 Webster]
