Clue: Hardness scale inventor
We have 2 answers for the clue Hardness scale inventor. See the results below.
- ___ scale
- Kind of scale
- Eponymous German mineralogist
- Mineral hardness scale inventor
- Scale of mineral hardness
- Mineralogist Friedrich
- Scale in which diamond=10
- Mineral hardness scale inventor Friedrich
- Talc-to-diamond scale
- ___ scale (mineral hardness measure)
Last Seen In:
- Netword - October 14, 2010
- New York Times - April 11, 2010
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