| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Don't be deceived by this, a compound of sulfur & iron whose name comes from the Greek for "fire" | pyrite | $200 | J | GEMSTONES! MEET THE GEMSTONES! | 2020-01-09 | #6 | |
| No foolin': TRY PIE | pyrite | $800 | J | ANAGRAMMED MINERALS | 2018-12-24 | #7891 | |
| The sulfur from this mineral, also known as fool's gold, is used to make sulfuric acid | pyrite | $400 | DJ | ROCKS & MINERALS | 2003-01-01 | #4223 | |
| This fool's gold can be told from gold when heated because it emits a foul odor | pyrite | $400 | DJ | ROCKS & GEMS | 1990-12-25 | #1457 |