| 2026-08-30 | Mineral that makes cosmetics shimmer |
| 2026-04-26 | Fragile mineral |
| 2026-04-04 | The sparkle in some cosmetics |
| 2025-08-05 | Flaky rock |
| 2025-07-31 | Flaky rock |
| 2025-02-12 | Mineral that shimmers |
| 2025-02-10 | Mineral with thin sheets |
| 2024-08-25 | Flaky mineral |
| 2024-07-24 | Flaky rock |
| 2024-06-02 | Glam rock? |
| 2023-10-11 | Sheet mineral |
| 2022-11-03 | Mineral whose name means "crumb" in Latin |
| 2022-10-04 | Shimmery mineral |
| 2022-09-30 | Mineral used in drywall |
| 2022-08-28 | Natural source of glitter |
| 2020-07-06 | Mineral easily split into layers |
| 2019-09-15 | Material found in countertops |
| 2018-06-07 | Material in sheets |
| 2018-04-06 | It's flaky |
| 2017-10-17 | Flaky mineral |
| 2017-06-25 | Flaky stuff |
| 2016-11-22 | Mineral in layers |
| 2016-08-31 | Mineral used for insulation |
| 2016-03-22 | Sheet rock? |
| 2015-11-22 | It makes flakes |
| 2015-10-18 | Flaky stuff |
| 2015-09-18 | It makes granite glint |
| 2015-08-26 | Mineral in sheets |
| 2014-09-03 | Flaky mineral |
| 2014-07-26 | Material also known as cat-gold or glimmer |
| 2013-12-23 | Thin-layered mineral |
| 2013-10-28 | Mineral in thin sheets |
| 2012-11-08 | It's flaky |
| 2012-07-30 | Translucent mineral in sheets |
| 2012-03-31 | Makeup of some insulating sheets |
| 2011-10-26 | Sheet mineral |
| 2010-05-08 | Isinglass |
| 2010-03-18 | Mineral in sheets |
| 2008-11-18 | Flaky mineral |
| 2008-05-20 | Easily split mineral |
| 2007-12-26 | Easily split mineral |
| 2007-11-18 | Glinting flecks in granite |
| 2007-11-08 | Glass substitute |
| 2007-06-02 | Muscovite, for one |
| 2006-10-02 | Mineral in transparent sheets |
| 2006-07-19 | Mineral in sheets |
| 2006-04-18 | Layered mineral |
| 2006-03-01 | Oven window material |
| 2006-02-19 | Popular insulator |
| 2005-07-11 | Isinglass |
| 2004-12-11 | Sheet rock? |
| 2004-07-09 | It's flaky |
| 2003-06-20 | Mineral that glistens |
| 2003-02-19 | Flexible mineral |
| 2002-12-09 | Flexible mineral |
| 2002-09-29 | Material in sheets |
| 2002-09-23 | Translucent mineral |
| 2002-08-11 | It comes in sheets |
| 2002-04-25 | Constituent of biotite |
| 2002-02-24 | Mineral used for insulation |
| 2001-02-25 | Flaky rock |
| 2001-02-06 | Isinglass |
| 2000-06-05 | Flaky mineral |
| 2000-04-18 | Easily split stuff |
| 2000-01-05 | Isinglass |
| 1999-05-04 | Popular insulator |
| 1998-07-27 | Isinglass |
| 1998-07-08 | Some sheets |
| 1998-04-06 | Isinglass |
| 1998-02-14 | Vermiculite, essentially |
| 1996-02-22 | Foliate mineral |
| 1994-04-27 | Muscovite, e.g. |
| 1994-03-11 | See-through silicate |
| 1993-11-25 | Isinglass |