Mosaic glass fragment, Glass, Roman

Mosaic glass fragment

Period:
Early Imperial
Date:
late 1st century B.C.–early 1st century A.D.
Culture:
Roman
Medium:
Glass; cast
Dimensions:
Other: 7/8 x 7/8 in. (2.2 x 2.2 cm); estimated diam. of rim 6 5/16 in. (16 cm)
Classification:
Glass
Credit Line:
Edward C. Moore Collection, Bequest of Edward C. Moore, 1891
Accession Number:
91.1.1924
Not on view
Thin-walled rim fragment (of a ribbed bowl?).
Translucent cobalt blue, honey brown, and opaque white.
Outsplayed, rounded rim; concave curving neck with side tapering downward.
Spiraling mosaic pattern formed from large sections of a single cane in a blue ground with brown and white threads.
Polished interior; pitting of surface bubbles on interior; dulling and creamy iridescent weathering on exterior, rim, and jagged edges.