Assertion: cockle's shell | /r/HasProperty | range
Facets:
value: with darker zigzag markings
type: OTHER
value: from white
type: OTHER
Source sentences:
text: Shells are almost oval with concentric ridges, and range from white to light brown in colour, sometimes with darker zigzag markings; K.scalarina are pale yellow and K.rhytiphora, greyish-purple.