| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The name of the mineral with formula Fe3O4should tell you that it acts as a natural one of these | a magnet | $2,000 | DJ | GEOLOGY | 2006-06-13 | #5022 | |
| To aid in recognizing iron minerals, you might take one of these common items with you | a magnet | $800 | DJ | ROCKS & MINERALS | 1993-04-21 | #1998 |