Assertion: tourmaline's color | /r/CapableOf | shift to reddish or pinkish color
Facets:
value: from a purplish
type: OTHER
value: depending upon the direction of cutting
type: OTHER
value: in the same gem
type: LOCATION
Source sentences:
text: And depending upon the direction of cutting, this color can shift from a purplish to a reddish or pinkish color in the same gem.