Assertion: topaz | /r/HasProperty | altered with special surface treatments
Facets:
value: to give iridescent effects
type: PURPOSE
value: often
type: TEMPORAL
value: to give unusual colors
type: PURPOSE
Source sentences:
text: Topaz is also often altered with special surface treatments to give it unusual colors and iridescent effects, like mystic, ocean, kiwi, and orchid topaz.
text: Topaz is also often altered with special surface treatments to give it unusual colors and iridescent effects, like mystic, ocean, kiwi, and orchid topaz.