Historical clue formulations

• More refined — 2025-02-16
• More golden, say — 2024-01-20
• Distilled vis-à-vis tap — 2012-02-26
• More refined — 2007-01-03
• Closer to perfection — 2006-12-16
• Less sinful — 2006-11-25
• Relatively white — 2006-02-10
• Less adulterated — 2004-10-04
• Having more karats — 2004-07-01
• Less corrupted — 2002-07-04
• More refined — 1999-08-23