A red glass found in ancient mosaics and ornamental vases.

any of various forms of glass coloured red by added metal oxides or salts.

A kind of ornamental glass containing shiny gold-coloured particles; = aventurine, n. 1.

A brownish-coloured glass interspersed with small gold-coloured spangles, manufactured first at Murano, near Venice. Also called artificial aventurine…

= ruby glass n. at compounds 2b.

A kind of ornamental glass in which a number of glass rods of different sizes and colours are fused together and cut into sections which form…

Any of several varieties of decorative glass produced by flashing (see flash, v.1 14a(b)), typically having a marbled or streaked appearance…

a variety of coloured glass.

Applied to an opaque coloured (esp. blue) or white glass manufactured in Bristol.

A kind of glass characterized by rich colouring, iridescence, and enamelling.

Any of several varieties of decorative glass produced by flashing (see flash, v.1 14a(b)), typically having a marbled or streaked appearance…

A layer of coloured glass added on top of (esp. clear) glass in decorative glassware, esp. paperweights. Chiefly attributive (see compounds 2).