Enter a clue or pattern or both:
The Clue
Metal used in mirror coating (7 letter answer)
The Answer
RHODIUM
Tags
Notes
The answer RHODIUM is so rare that it appears less than once every 2500 puzzles.
Related Clues
Element used in electroplating
Rare element in platinum ores
Definition
RHODIUM as a noun:
1. (rhodium, Rh, atomic number 45) = a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum