Last seen in:
- Universal - Oct 30 2024
- Thomas Joseph - King Feature Syndicate - Dec 30 2022
- Wall Street Journal - Mar 25 2020 - Climbing the Walls
- Newsday.com - Jun 3 2016
- Newsday.com - Aug 9 2015
- USA Today - Feb 26 2014
- Thomas Joseph - King Feature Syndicate - Jan 19 2013
- Thinks.com - May 27 2011
- Thinks.com - May 27 2009
- Premier Sunday - King Feature Syndicate - Oct 19 2008
Related Clues:
- Soft rock; heals (anag.)
- Oil-rich rock
- Shiny silicate mineral
- Mineral layer involved in fracking
- Something settled long ago?
- It has near-perfect cleavage
- Easily-split sedimentary rock
- Thinly layered mineral
- Rock husband during auction
- First to follow school for rock
- Mineral covered in chemical
- Coming from Michigan half case of mineral
- Mineral used in auto paint
- Utterance of prophet? It's usually transparent
- Flagstone material