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

Stamp seal (octagonal pyramid) with cultic scene is Flawed and veined neutral Chalcedony (Quartz), possibly etched to produce mottling .

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

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

This artwork was created 7th–6th century BCE.

Unknown Artist

7th–6th century BCE

Medium

Flawed and veined neutral Chalcedony (Quartz), possibly etched to produce mottling

Dimensions

1.18 x 0.55 x 0.94 in. (3 x 1.4 x 2.39 cm)

Classification

Stone-Stamp Seals

Culture & Period

Assyro-Babylonian · Neo-Assyrian / Neo-Babylonian

Department

Ancient Near Eastern Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Purchase, 1893

Accession Number

93.17.92