Enter a clue or pattern or both:
The Clue
Red crystal mineral (6 letter answer)
The Answer
RUTILE
Tags
Notes
The answer RUTILE is so rare that it appears less than once every 2500 puzzles.
Related Clues
Synthetic gem
Definition
RUTILE as a noun:
1. a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium