Assertion: sponge's spicule | /r/HasProperty | 3 perpendicular rays
Facets:
value: generally
type: MANNER
Source sentences:
text: The spicules are composed of 3 perpendicular rays giving them 6 points.
text: These siliceous spicules are generally composed of three perpendicular rays (and therefore six points, so they are described as hexactine), and are often fused, lending hexactinellids a structural rigidity not typical of other sponge taxa.