Assertion: peridot's luster | /r/HasProperty | greasy
Facets:
value: slightly
type: DEGREE
Source sentences:
text: When cut and polished, peridot has an attractive, greasy and vitreous luster.
text: Because of the way peridot splits and bends the rays of light passing through it, it has a velvety appearance, a rich glow, and a slightly greasy luster.