Enter a clue or pattern or both:
The Clue
Opalescent gems (10 letter answer)
The Answer
MOONSTONES
Tags
Notes
The answer MOONSTONES is so rare that it appears less than once every 2500 puzzles.
Related Clues
Heavenly gems?
Definition
MOONSTONE as a noun:
1. a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar