Assertion: muscovite | /r/MadeOf | impurity
Facets:
Source sentences:
text: Muscovite is the pure potassium mica, containing no impurities.
text: Muscovite is the pure potassium mica, containing no impurities.
text: Muscovite is the pure potassium mica, containing no impurities.
text: Muscovite is the pure potassium mica, containing no impurities.