Assertion: emerald | /r/HasProperty | rare
Facets:
value: extremely
type: DEGREE
Source sentences:
text: This is why emerald is rare and only found in a small number of locations.
text: Emeralds are rare minerals, and are used in trading or to power beacons.
text: The emerald is one of the world's most valuable gemstones, and is extremely rare so can demand an exceptional price.
text: Emeralds are rare, have different uses than diamonds, and can't be shaped into useful things afterwords.