Assertion: cassiterite | /r/HasAspect | high refractive index of 1.997
Facets:
value: very
type: DEGREE
Source sentences:
text: Cassiterite also has a very high refractive index of 1.997 to 2.098, higher than zircon, sphene and demantoid garnet (though not quite as high as diamond).
text: Cassiterite also has a very high refractive index of 1.997 to 2.098, higher than zircon, sphene and demantoid garnet (though not quite as high as diamond).