| Rating | Solver | Clue |
|---|---|---|
| GANG | Gangue | |
| MATRIX | Gangue | |
| SEPARATOR | An apparatus for sorting pulverized ores into grades, or separating them from gangue. | |
| SPAR | ...eavable and somewhat lustrous; as, calc spar, or calcite, fluor spar, etc. It was especially used in the case of the gangue minerals of a metall... | |
| SCORIFIER | ...a small flat bowl-shaped cup used in the first heating in assaying, to remove the earth and gangue, and to concentrate the gold and silver in a ... | |
| SCORIFY | To reduce to scoria or slag; specifically, in assaying, to fuse so as to separate the gangue and earthy material, with borax, lead, soda, etc.,... | |