| Rating | Solver | Clue |
|---|---|---|
| PERIDOT | Green olivine | |
| BASALT | A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green particles of olivine frequently disseminated. | |
| CHRYSOLITE | A mineral, composed of silica, magnesia, and iron, of a yellow to green color. It is common in certain volcanic rocks; -- called also olivine a... |