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:
- Flaky mineral found in ceramic art
- Rock in which fossils can be found
- Flaky mineral that's an anagram of 15 Down
- Rock source of petroleum
- Mineral with thin layers
- Mineral providing some chemicals
- Coarse-grained rock that splits easily
- Thin-layered sedimentary rock
- Mineral whose name is Latin for “crumb”
- Mineral used as insulator
- Isinglass, a rock-forming mineral
- Hospital in transaction for source of gas
- Rock involved in fracking
- Rock is first thing for teenagers after school
- A strong leader and hearty too, perhaps, with many layers.