Enter a clue or pattern or both:
The Clue
Mineralogist Friedrich (4 letter answer)
The Answer
MOHS
Tags
Notes
The answer MOHS is seen occasionally, appearing about once every 750 puzzles.
Related Clues
___ scale
Kind of scale
Eponymous German mineralogist
Eponymous scale developer
Hardness scale inventor
___ scale (hardness measure)
Scale of mineral hardness
Kind of scale of mineral hardness
Mineralogist for whom a scale is named
Mineral hardness scale inventor
Minerals' hardness-scale inventor