Mosaic bead

21MSM
Byzantine / Islamic mosaic glass bead
Date: 7-9 century
Mosaic glass

Flattened bead's matrix is made up of sections of premanufactured mosaic cane, consisted of blue and light blue canes, positioned around yellow in red center. 
Intact, very good condition. Height 12 mm, length 10 mm, width 5 mm

For similar published beads in museum collections see:

-R. Andrae, Mosaikaugenperlen. Untersuchungen zur Verbreitung und Datierung karolingerzeitlicher Millefioriglasperlen in Europa. Acta Praehistorica et Archaeologica 4, 1973, pl.10 

- J. Callmer,Trade beads and bead trade in Scandinavia ca. 800-1000 A.D., 1977, pl.IV: H001 (mosaic cane).

- V. Kovalevskaya, Komputernaya obrabotka massovogo arhaeologicheskogo materiala is rannesrednevekovih pamyatnikov Evrasii, Moscow, 2000, #257-259.