Assertion: tourmaline | /r/HasAspect | another feature
Facets:
Source sentences:
text: Tourmaline has another feature that attracted the attention of scientists since ancient times.
text: Tourmaline has another feature that attracted the attention of scientists since ancient times.
text: Tourmaline has another feature that attracted the attention of scientists since ancient times.
text: Tourmaline has another feature that attracted the attention of scientists since ancient times.
text: Tourmaline has another feature that attracted the attention of scientists since ancient times.
text: Tourmaline has another feature that attracted the attention of scientists since ancient times.
text: Tourmaline has another feature that attracted the attention of scientists since ancient times.
text: Tourmaline has another feature that attracted the attention of scientists since ancient times.