What medium is "Stamp seal (octagonal pyramid) with cultic scene and demon"?

Stamp seal (octagonal pyramid) with cultic scene and demon is Blue Chalcedony (Quartz) .

Is "Stamp seal (octagonal pyramid) with cultic scene and demon" in the public domain?

Yes, Stamp seal (octagonal pyramid) with cultic scene and demon is in the public domain and available for free download under CC0 license.

This artwork was created late 8th–7th century BCE.

Unknown Artist

late 8th–7th century BCE

Medium

Blue Chalcedony (Quartz)

Dimensions

0.71 x 0.35 in. (1.8 x 0.89 cm)

Classification

Stone-Stamp Seals

Culture & Period

Assyrian · Neo-Assyrian

Department

Ancient Near Eastern Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Bequest of W. Gedney Beatty, 1941

Accession Number

41.160.270