Assertion: thorium | /r/HasProperty | hard
Facets:
value: moderately
type: DEGREE
value: as soft steel
type: OTHER
Source sentences:
text: Thorium is about as hard as soft steel, so when heated it can be rolled into sheets and pulled into wire.
text: Thorium is silvery and tarnishes black when it is exposed to air, forming thorium dioxide; it is moderately hard, malleable, and has a high melting point.
text: Thorium is moderately hard, malleable, and has a high melting point.
text: Thorium is hard but not brittle, far lighter than it looks and glows even when cool.