Assertion: zircon | /r/HasProperty | important
Facets:
value: of the two mineral forms
type: OTHER
value: because of its very high refractive index
type: CAUSE
value: for the zodiac sign
type: OTHER
value: in the gemstone world
type: LOCATION
Source sentences:
text: Zircon is important in the gemstone world because of its very high refractive index (1.810 to 2.024), which is somewhat close to that of diamond (2.417 to 2.419).
text: The zircon is an important stone for the Zodiac sign Taurus.
text: Of the two mineral forms in which zirconium occurs, zircon is by far the more important source.
text: Zircon is an important jewelry stone, but is not well-known by the general public.