Historical clue formulations

• Quartz variety — 2024-04-13
• Often-reddish quartz — 2019-07-20
• Pop artist Johns — 2014-03-31
• Traditional March birthstone — 2011-07-21
• Traditional March birthstone — 2009-05-16
• The "blood" in bloodstone — 2007-02-16
• Alberta's ___ National Park — 2002-04-26
• Pop artist Johns — 2001-02-27
• Quartz variety — 2001-01-27
• Quartz variety — 1997-07-01