| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| 4.4 billion-year-old deposits have been found of this end-of-the-alphabet mineral, a December birthstone | zircon | $1,600 | DJ | ROCKS & MINERALS | 2022-02-03 | #8569 | |
| Gem-bright: OR ZINC | zircon | $600 | J | ANAGRAMMED MINERALS | 2018-12-24 | #7891 | |
| Alphabetically last in a list of birthstones, it's 1 of the 2 birthstones for December | zircon | $500 | J | GEMS & JEWELRY | 1990-04-09 | #1301 | |
| The name of this gemstone is from the Persian "zargun" meaning gold-colored | zircon | $600 | DJ | GEMS | 1987-11-16 | #736 |