Historical clue formulations

• Prized gem in Chinese culture — 2026-09-08
• Stone that's often carved — 2026-04-09
• Green gemstone — 2024-08-13
• Mineral known as the "imperial gem" — 2023-12-04
• Relative of lime and mint — 2023-04-23
• Precious material frequently buried with the dead in ancient China — 2023-04-12
• "Imperial gem" mined as early as 6000 B.C. — 2022-06-23
• Green stone popular in Chinese craftwork — 2019-06-24
• Green hue — 2019-05-31
• Green carving stone — 2019-05-07
• Green stone — 2019-03-20
• Stone prized in China — 2018-08-14
• Green precious stone — 2017-12-25
• Light blue-green — 2015-08-23
• Green stone — 2014-11-10
• Green gem used in Chinese carvings — 2013-07-22
• Green gem — 2012-12-17
• Light bluish green — 2012-10-03
• Shade of green — 2010-12-08
• ___ Emperor (Taoism figure) — 2010-07-09
• Green gem — 2010-06-28
• Official gemstone of Alaska — 2009-05-14
• Stone in a 2008 Olympic medal — 2008-11-23
• Shade of green — 2008-01-31
• Chinese export — 2007-04-06
• Green stone — 2007-01-10
• Stone revered in China — 2006-04-03
• Semiprecious stone — 2005-02-03
• Green gem — 2004-12-06
• Green gem — 2004-11-15
• Shade of green — 2003-12-03
• Valuable green stuff — 2003-07-30
• Like some expensive vases — 2003-06-14
• Fine stone — 2003-05-28
• Nephrite — 2001-11-22
• Shade of green — 2001-10-22
• Carved gem — 1999-12-29
• Green hue — 1998-12-12
• Green shade — 1997-11-27
• Nephrite — 1997-10-03
• Ornamental stone — 1996-10-21
• Shade of green — 1996-03-14
• Shade of green — 1995-08-27
• Figurine material — 1994-04-01