Assertion: talc | /r/HasProperty | magnesium silicate hydroxide
Facets:
Source sentences:
text: The magnesium silicates are obtained from natural sources, such as talc (magnesium silicate hydroxide), enstatite (magnesium metasilicate), forsterite (magnesium orthosilicate), meerschaum (magnesium trisilicate), or serpentine (Mg 3 Si 2 O 7 ).