Enter a clue or pattern or both:

The Clue

Dark red minerals (7 letter answer)

The Answer

RUTILES

Tags


Notes

The answer RUTILES is so rare that it appears less than once every 2500 puzzles.

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