When was "Chalcedony cone" created?

This artwork was created 2nd half of the 5th century BCE.

What medium is "Chalcedony cone"?

Chalcedony cone is Chalcedony, smoky, silver.

Yes, Chalcedony cone is in the public domain and available for free download under CC0 license.

Unknown Artist

2nd half of the 5th century BCE

Medium

Chalcedony, smoky, silver

Dimensions

L. 2.1 cm

Classification

Gems

Culture & Period

Greek, Ionian · Classical

Department

Greek and Roman Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of Joseph Brummer, 1949

Accession Number

49.43.2