Assertion: magnesium sulfate's magnesium | /r/HasProperty | light
Facets:
Source sentences:
text: Mag wheels were once made of a magnesium alloy, because magnesium is both light and strong.
text: Magnesium is the lightest metal that can be used to build things, although its use as a structural material is limited since it burns at relatively low temperatures.
text: Magnesium is light, silvery-white, and tough.
text: Magnesium is a strong metal that is light and silvery-white.