| Answer | Crossword Clue |
|---|---|
| CHERT | Rock like flint |
| CHERT | Flint-like rock. |
| flinting | FLINT, to provide with a spark-producing rock |
| flinted | FLINT, to provide with a spark-producing rock |
| chert | a rock resembling flint and consisting essentially of a large amount of fibrous chalcedony with smaller amounts of cryptocrystalline quartz and amorphous silica |
| flintlike | like flint |
| COBURN | James of "In Like Flint" |
| hornstone | a mineral that is a variety of quartz much like flint but more brittle |
