Clue: Mineral hardness scale inventor Friedrich
We have 1 answer for the clue Mineral hardness scale inventor Friedrich. See the results below.
Possible Answers:
Related Clues:
- ___ scale
- Kind of scale
- Eponymous German mineralogist
- Mineral hardness scale inventor
- Scale of mineral hardness
- Mineralogist Friedrich
- Scale in which diamond=10
- Talc-to-diamond scale
- ___ scale (mineral hardness measure)
- ___ scale (hardness measure)
Last Seen In:
- Washington Post - August 14, 2001
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