Assertion: muscovite | /r/CapableOf | occur with natural green color
Facets:
Source sentences:
text: When muscovite occurs with natural green color due to chromium impurities replacing aluminum in the mica crystal structure is known as fuchsite mica .
text: When muscovite occurs with natural green color due to chromium impurities in the mica crystal structure is known as fuchsite mica .