Assertion: tourmaline's color | /r/HasProperty | uniform
Facets:
value: more uniformly
type: DEGREE
Source sentences:
text: The gamma-induced color is uniform and doesn’t fade noticeably in sunlight.
text: The color is said to be a more uniformly “aquamarine blue” than gems from the Brazilian find which featured a color range of green, blue-ish-green to blue.