Assertion: gypsum | /r/HasProperty | yellow
Facets:
value: to be brown
type: PURPOSE
Source sentences:
text: Gypsum is a mineral, which is ordinarily white or gray in appearance, although it may be red, brown, or yellow, as well.
text: If impurities are present, gypsum may also appear to be red, brown or yellow.
text: If impurities are present, gypsum may also appear to be red, brown or yellow.