Assertion: tourmaline's color | /r/HasProperty | lightened
Facets:
Source sentences:
text: The color can be lightened or darkened by this process.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.
text: The color of many darker stones can be lightened.