GNEISS
| Date | Clue |
|---|---|
| 2025-07-18 | Rock with bands |
| 2017-05-05 | Banded metamorphic rock |
| 2016-06-12 | Rock whose name sounds good? |
| 2016-04-10 | Banded rock |
| 2014-11-21 | Rock with colored bands |
| 2009-04-12 | Layered rock |
| 2007-10-21 | Banded rock |
| 2001-12-01 | Banded rock |
| 1998-11-29 | Rock variety |
| 1998-09-28 | Sparkly rock |
| 1994-11-17 | Granitelike rock |