What is Glass ? An interesting virtual tour through history of Glass and its technique

PR Log (Press Release) – Jan 18, 2010 – Glass is a strong but fragile material used in different applications, such as  crafts, like vases and jewelry, and more decorating objects.

Glass is composed by 70% of silica, chiical compound that we can found in  natural environment like sand or quartz, and 30% of other different materials.

It’s not rarely to see coloured  glass, but basic glass composition is colourless. The colour that we see is  obtained by the addition of some minerals like oxides and other chiical  components.

This components are often Cobalt to  obtain blue color in different gradations, Gold for ruby, combination of Iron, Chromium and Nickel for violet, Manganese for black color and so on.

A typical kind of glass is venetian or  murano glass that use blowing technique. In venetian tradition the glassmakers put the glass in contact with fire that give good working conditions to  modeling the glass.

Glassblowing is used in murano glass style, but this technique was invented in  Syria during the I century BC.

Murano artisans have created a special kind of transparent and colourless glass  called Cristallo. From thi is  possible to obtain different kinds of bowls, vases, cups, goblets and more.

In the XVI century the glassmaking art had become important in other european  countries, especially in Germany, Czech Republic, especially region of Bohiia,  and northern european states. 

In the next century England has become an important glassmakers country, and  Sir George Ravenscroft introduce a new kind of glass called lead glass, suitable for produce a high  quality optical instruments.

In United States of America, during the XIX century, was introduced the window  glass called crown glass.

Nowadays the glass is used to make different kinds of products, and the  technique has been changed.

In ’60 of XX century has been invented the technique for recycle the glass, and  in ’70 glass was used to make digital optical fibers.

The glass art will never die, and the new technique will be merging with the  classic art style without loosing the fascination of glass decorations.

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