This crossword clue is for the definition: Friedrich who created a mineral hardness scale.
it’s A 46 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Friedrich who created a mineral hardness scale crossword” or “Friedrich who created a mineral hardness scale crossword clue”. The possible answerss for Friedrich who created a mineral hardness scale are listed below.
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Possible Answers: MOHS.
Last seen on: Daily Boston Globe Crossword Friday, 19 May 2023