| Rating | Solver | Clue |
|---|---|---|
| CAIRNGORM | Smoky quartz | |
| MORION | A dark variety of smoky quartz. | |
| CAIRNGORMSTONE | A yellow or smoky brown variety of rock crystal, or crystallized quartz, found esp, in the mountain of Cairngorm, in Scotland. | |
| CRYSTAL | The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; -- called ... |