Assertion: obsidian | /r/HasProperty | argued by researcher
Facets:
Source sentences:
text: Its association with that act of bloodletting is important, as it is argued by some researchers that obsidian was seen as a type of blood originating from the earth – its use in autosacrifice is therefore especially symbolic.
text: Its association with that act of bloodletting is important, as it is argued by some researchers that obsidian was seen as a type of blood originating from the earth â