question: Measuring the what of minerals requires chipping those materials?
choices.text: deposits potassium size weight hardness shape key element strength
choices.label: A B C D E F G H
fact2: Although a diamond is the hardest substance known to man, it can be chipped or scratched.
combinedfact: measuring the hardness of minerals requires chipping those materials
formatted_question: Measuring the what of minerals requires chipping those materials? (A) deposits (B) potassium (C) size (D) weight (E) hardness (F) shape (G) key element (H) strength