| Answer | Crossword Clue |
|---|---|
| TIN | Pewter's chief constituent |
| BASE | Chief constituent |
| THEESSENCEOFEMERALD | Green gem's chief constituent? |
| TIN | Chief constituent of pewter. |
| KAOLINITE | Chief constituent of china clay |
| CELLULOSE | Chief constituent of all plant tissues |
| SILICON | A chief elementary constituent of the earth's crust. |
