Crossword clues for Mohs scale mineral 7 letters:APATITEMohs scale mineralAPATITEMineral below orthoclase on the Mohs scaleOPALMid-Mohs scale mineralTALCMohs scale mineralTOPAZMohs scale mineral between quartz and corundumXXXXMineral on the Mohs scaleTALCSoftest mineral on the Mohs scaleTALCMineral on the Mohs scaleTALCSoftest mineral on the Mohs hardness scaleTALCMineral low on the Mohs scaleTALCMineral that's a one on the Mohs scaleTALCMineral at the soft end of the Mohs scaleTALCMineral so soft, it can be scratched by everything else on the Mohs hardness scale