Assertion: zircon | /r/HasProperty | useful
Facets:
value: generally
type: DEGREE
value: for those
type: TRANSITIVE-OBJECT
Source sentences:
text: Zircon is generally useful for those who want a crystal with a pain-relieving action (for the same purpose, at a more affordable price, I recommend rock crystal)!
text: Zircon is also useful when searching for evidence of shock deformation caused by a meteorite impact.