Assertion: beach's pebble | /r/HasProperty | flint
Facets:
value: without a yellowish cortex
type: OTHER
value: probably
type: DEGREE
Source sentences:
text: The small pebbles of a yellowish-brown colour, which are dominant, are probably mostly of flint and are subrounded to rounded.
text: Some dark pebbles may also be of flint but without a yellowish cortex.