Historical clue formulations

• Not fixed, as a stone — 2025-10-17
• Like freshly poured concrete — 2025-03-16
• Like loose gemstones — 2024-06-02
• Still liquidy — 2014-08-07
• Like loose stones — 2014-03-01
• Still goopy, as concrete — 2013-08-25
• Fluid — 2011-09-04
• Not hard yet — 2004-12-07
• Loose, as stones — 2004-10-31
• Not hard enough — 2003-12-12
• Ill-prepared — 2000-07-27
• Still runny — 1995-10-01