Crossword clues for 5 on the Mohs scale 7 lettersAnswerClueAPATITEIt's 5 on the Mohs scale of hardnessAPATITE5 on the Mohs scaleTHATSREALLYHARDBonus question in Science: What does a rating of 10 on the Mohs scale represent?...BZZZT... "Noramus for 5 points!"