| Answer | Crossword Clue |
|---|---|
| NATRON | Mineral salt found in dry lake beds |
| TRONA | Mineral found in lake beds |
| NATRON | Mineral found in salt lakes. |
| ALKALI | Mineral salt found in arid soil. |
| glauberite | a greyish-white mineral, sodium calcium sulphate, found chiefly in rock salt |
| glauberites | GLAUBERITE, a greyish-white mineral, sodium calcium sulphate, found chiefly in rock salt |
