Enter a clue or pattern or both:
The Clue
Stalactite base (9 letter answer)
The Answer
LIMESTONE
Tags
Notes
The answer LIMESTONE is so rare that it appears less than once every 2500 puzzles.
Related Clues
Luray Caverns material
Definition
LIMESTONE as a noun:
1. a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals