| Answer | Crossword Clue |
|---|---|
| AGATE | Stone used in marbles |
| AGATE | Quartz used in marbles |
| ONYX | Semiprecious stone used in cameos |
| MACADAM | Broken stone used in pavement |
| CHISEL | Tool used in working stone. |
| ARROWHEAD | Pointy stone used in early Native American weaponry |
| MOTHERTERESA | "[She] used the misery of Calcutta as a stepping stone in her career"--1979 |
