Eponymous mineralogist Friedrich NYT crossword answer is:
"MOHS (4 letters length)The answer for "Eponymous mineralogist Friedrich" crossword clue is listed above to help you solve the puzzle you are currently working on.
Friedrich Mohs was a German mineralogist and geologist who is best known for his Mohs scale of mineral hardness. He was born in 1773 and studied at the Freiberg Mining Academy in Saxony. He developed the Mohs scale in 1812 and it is still used today to measure the hardness of minerals. He also wrote several books on mineralogy and geology and is remembered as one of the most influential mineralogists of all time.