Answer: hardness

AnswerCrossword Clue
HARDNESSWhat the Mohs' scale measures
HARDNESSSeverity.
HARDNESSSeverity
HARDNESSConcern for Mohs
hardnessquality in water imparted by dissolved salts
hardnessrelative extent of these qualities
hardnessstate or quality of being firm, solid, or resistant to being bent or scratched
hardnessill will; bad feelings
hardnessharshness or austerity, as of a difficult existence
hardnesscallousness
hardnessthe state of being hard (firm and unyielding)