Mosaic bead

29MSM
Byzantine / Islamic mosaic glass bead
Date: 7 - 9 century
Mosaic cane glass

Bead's matrix is made up of sections of premanufactured mosaic cane with black-in-blue center.  
Intact, good condition.
 Height 12 mm, diameter 12 mm.

For published similar beads see:

-  V.Kovalevskaya, Komputernaya obrabotka massovogo arhaeologicheskogo materiala is rannesrednevekovih pamyatnikov Evrasii, Moscow, 2000, p.75, p.94 #262