Iridescent bead

383MA
Monochrome bead
Date: 7-9 century AD
Byzantine or Islamic

Blue glass cube with rounded corners.
Intact, very good condition. Surface is totally iridescent.
Height 12 mm, 12 mm

For similar published examples see:
- J. Callmer,Trade beads and bead trade in Scandinavia ca. 800-1000 A.D., 1977, pl.1: A183T
- V.Kovalevskaya, Komputernaya obrabotka massovogo arhaeologicheskogo materiala is rannesrednevekovih pamyatnikov Evrasii, Moscow, 2000, p. 20: #117