Assertion: thorium | /r/HasAspect | high melting point
Facets:
value: very
type: DEGREE
Source sentences:
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 and its compounds have very high melting points and are used in several high temperature applications, such as incandescent gas mantles, tungsten filament coatings and high temperature lab equipment.
text: Thorium is moderately hard, malleable, and has a high melting point.