Assertion: basalt's feldspar | /r/HasAspect | unusual compositions
Facets:
value: unlike any terrestrial feldspar
type: OTHER
Source sentences:
text: The alkali feldspar may have unusual compositions unlike any terrestrial feldspar, and they are often Ba-rich.
text: The alkali feldspar may have unusual compositions unlike any terrestrial feldspar, and they are often Ba-rich.