Assertion: obsidian | /r/HasProperty | sharp
Facets:
value: very
type: DEGREE
Source sentences:
text: Obsidian is SHARP
text: Obsidian, the material used for the blades, is a volcanic glass and one of the sharpest materials in the world.
text: Obsidian was regarded as an exceptionally sharp incision tool and also held a symbolic importance to the Maya.
text: Obsidian was also used as a tool since it is very sharp and there are examples in ancient Maya art for its use in sacrifices and other rituals.
text: While the obsidian shattered easily, it was razor sharp.