Assertion: pure manganese | /r/HasProperty | silver-colored
Facets:
Source sentences:
text: Pure manganese is silver-colored, but does not occur naturally.
text: Pure manganese is a silver-colored metal; however, it does not occur in the environment as a pure metal.
text: Pure manganese is silver-colored, but does not occur naturally.
text: Pure manganese is silver-colored, but does not occur naturally.