Helle Mardahl, who designs a line of blown-glass vases, ... And in 2020, the china manufacturer Lyngby released its Rhombe pattern, a style created in 1961, in colors including cobalt blue, ...

After a few blasts of a blow torch and several trips back and forth to the furnace, the red-hot glass on the rod turns cobalt blue and forms what will eventually become a 7-inch vase.

The Portland Vase was made around 25 AD, give or take 50 years, during a half-century long period of intense experimentation in cameo glass by Roman glass blowers. It consists of a very blue ...

It is very difficult to identify early blown glassware from the 18th century because talented modern glass blowers can make good copies in the earlier styles and colors. Today, chemical analysis of ...

A prominent old world collection of imperial ceramics fetched £46.5 million at a Sotheby's Hong Kong sale on Wednesday, with an early Ming cobalt blue Meiping vase going for a record £14 million.