Assertion: tesseract | /r/MadeOf | an infinity stone
Facets:
Source sentences:
text: The Tesseract is a cube which contains an Infinity Stone , representing the fabric of space.
text: Later, when handing the Aether over to the Collector, Volstagg reveals that the Tesseract does indeed contain an Infinity Stone when he states that the two artifacts would be too dangerous to keep so close to each other.