Large ancient islamic bicone Chalcedony Agate Bead

Stone Bead Antique

Islamic

Chalcedony

-

ca. 23x17mm

13gr

Large ancient islamic bicone Chalcedony Agate Bead. Measurements are ca. 23x17mm, weight is ca. 13 gram. Extremely rare large authentic ancient agate bead from the islamic world. Slightly calcified with light bandings and small damages. Probably a thousand years or older. Stunning patina