Assertion: scallop | /r/CapableOf | produce pearl
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: Scallops do occasionally produce pearls, though scallop pearls do not have the buildup of translucent layers or "nacre" which give desirability to the pearls of the feather oysters, and usually lack both lustre and iridescence.
text: Scallops can produce pearls, but they lack the luster of those from oysters.