Assertion: flint's edge | /r/HasProperty | sharp
Facets:
value: very
type: DEGREE
Source sentences:
text: The uniform fine grain, brittleness, and conchoidal fracture made it relatively easy to shape arrowheads by flaking off chips, and the edges produced were quite sharp.
text: As for the flint against flint anecdotes… I'm not sure, but friction heat alone might accomplish this as the edges of flintstone can be very sharp.
text: The edges of broken chert are sharp and tend to retain their sharpness because chert is a very hard and very durable rock.
text: The edges of broken pieces can be razor sharp, so caution should be used when handling this rock.
text: The edge of the resulting fracture will be VERY sharp (beware of cuts!)