Assertion: basalt's mineral | /r/HasProperty | feldspar
Facets:
Source sentences:
text: The primary minerals making up granite include quartz, feldspars, micas, and sometimes pyroxene, but mostly quartz and feldspar.
text: Its principle minerals include pyroxene, feldspar, and olivine.
text: The primary minerals making up granite include quartz, feldspars, micas, and sometimes pyroxene, but mostly quartz and feldspar.