Assertion: muscovite | /r/HasProperty | the most common mica
Facets:
value: as a contact metamorphic rock
type: MANNER
value: as a secondary mineral
type: MANNER
Source sentences:
text: Muscovite is the most common mica, found in granites, pegmatites, gneisses, and schists, and as a contact metamorphic rock or as a secondary mineral resulting from the alteration of topaz, feldspar, kyanite, etc.
text: It is the most common mica present in igneous, metamorphic and sedimentary rocks.