Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Pre-Hispanic City of Teotihuacan' has mentioned 'Stone' in the following places:
Occurrence Sentence Text Source
Typical artistic artifacts of this period were funeral masks, crafted mainly from green stone and covered with mosaics of turquoise, shell or obsidian.
Numerous stone masks have been found at Teotihuacan, and have been generally believed to have been used during a funerary context,[60] although some scholars call this into question, noting that masks "do not seem to have come from burials".