Enter a clue or pattern or both:
The Clue
Valuable iron ore (8 letter answer)
The Answer
SIDERITE
Tags
Notes
The answer SIDERITE is so rare that it appears less than once every 2500 puzzles.
Related Clues
Iron ore
Valuable ore of iron
Definition
SIDERITE as a noun:
1. (siderite, chalybite) = iron ore in the form of ferrous carbonate
2. a meteorite consisting principally of nickel and iron