Assertion: green obsidian | /r/HasProperty | distinct
Facets:
value: from pachuca obsidian
type: OTHER
value: because of its internal opacity
type: CAUSE
Source sentences:
text: Green obsidian is also found in the area of Tulancingo, but is distinct from Pachuca obsidian because of its internal opacity (e.g., it is a more milky or clouded green).
text: Green obsidian is also found in the area of Tulancingo, but is distinct from Pachuca obsidian because of its internal opacity (e.g., it is a more milky or clouded green).