Vase in the shape of a tube

A cobalt-colored tube vase with a sea green shade and yellow streaks. Body-tinted crystal glass. Blue glass, also known as cobalt glass, is made with the use of cobalt and copper oxides. Green glass is created by adding iron and chromium oxides to a liquid glass mass. Yellow decorations require the use of cadmium, sulfur and titanium oxides. The vase was made in the seventies of the twentieth century according to the design of Michael Harris. Sand and Sea series Height 20 cm Width 8 cmMichael Harris was a lecturer in industrial glass design at the Royal College of Art in England. In 1968 he founded the Mdina Glass company in Mdina, as there was no art glass production in Malta. (The company was originally called Maltese Glass Industries.) It was a huge success, and glass is still being made in Malta.In 1971, the Italians Vincente and Ettore Boffo joined the Mdina Glass team and introduced Italian glass techniques. The most famous series is inspired by the sea, sand, earth and sky. In 1972, Michael Harris left Mdina and started a new company in Great Britain. His projects continued for many years in Malta.