Assertion: green obsidian | /r/AtLocation | the area of tulancingo
Facets:
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).