Historical clue formulations

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