Assertion: obsidian | /r/HasProperty | the material
Facets:
Source sentences:
text: So here I've got some obsidian, which is the material from which I'm going to make the flake tools, and this is my granite hammerstone, which I'm going to use to strike on the obsidian to make the tools.
text: In the Aztec world, the nocturnal sky god, Tezcatlipoca, was often carved out of Obsidian, a material utilized for weapons and tools, and was highly polished into mirrors for shamanic rituals and prophecy.
text: His name in the Nahuatl language is often translated as "Smoking Mirror" because of his connection to obsidian, the material from which mirrors were made in Mesoamerica and which was used for shamanic rituals.
text: His name in the Nahuatl language is often translated as "Smoking Mirror" and alludes to his connection to obsidian, the material from which mirrors were made in Mesoamerica and which were used for shamanic rituals and prophecy.
text: Obsidian, the material used for the blades, is a volcanic glass and one of the sharpest materials in the world.