| Rating | Solver | Clue |
|---|---|---|
| GALENA | Lead-glance | |
| ARGENTITE | Sulphide of silver; -- also called vitreous silver, or silver glance. It has a metallic luster, a lead-gray color, and is sectile like lead. | |
| STIBNITE | A mineral of a lead-gray color and brilliant metallic luster, occurring in prismatic crystals; sulphide of antimony; -- called also antimony glance, and gray antimony. |