| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Mais oui, calcium sulfate hemihydrate is a mouthful, so a fast-setting-after-drying gypsum product goes by these 3 words | plaster of Paris DD | $3,000 | DJ | WAIT JUST A MINERAL! | 2022-10-04 | #8712 | |
| When gypsum loses most of its water, it changes into this white powder used in making casts | plaster of Paris | $200 | DJ | ROCKS & MINERALS | 1993-03-04 | #1964 | |
| When gypsum is ground, heated & dehydrated, it forms this white powder used in making molds & casts | plaster of Paris | $600 | DJ | ROCKS & MINERALS | 1990-04-05 | #1299 |