Mosaic glass

223NA
Mosaic Glass necklace
Byzantine or Islamic
7-9 century AD
Eastern Mediterranean, Middle East, Black Sea and Europe

Composed of 20 mosaic glass beads and monochrome drawn red glass tubular beads. Mosaic bead's matrix is made up of sections of premanufactured mosaic cane with yellow-in-red center surrounded by yellow/green canes.  
Intact, good condition, 

Largest bead: D. 13 mm x H. 13 mm 
Necklace is 19.25" ( 48.9 cm) long

For published examples see:

-  V.Kovalevskaya, Komputernaya obrabotka massovogo arhaeologicheskogo materiala is rannesrednevekovih pamyatnikov Evrasii, Moscow, 2000, p.75, p.93 #254
- A.Panini, Middle Eastern and Venetian Glass Beads, Skira, 2007, p. 58 #83, p. 88, p. 115