The glass
With the large amount of sand but also the ability to import soda (element whose glass is made), Venice has made glass production one of the most important activities of the Venetian economy. At first there are the glass factories in the Rialto, but later, due to the many fires, it was decided in 1292 to transfer stovesMurano . Strict laws decreed that artisans should in no way reveal the secret of the manufacture of glass, and they forbade the immigration of artisans.

One feature that distinguishes the glass of the other substances, for example metals, that is how it solidifies. Indeed the glass solidification occurs slowly, from 1400 ° C (the glass is in the liquid state, fluid) at a temperature of 500 ° C. it was during this interval that we can proceed with the development of the glass.
The glass is a mixture of raw materials .Sand
or silica constitute 70% of the glass. Sodium oxide was then added, the greater the amount of sodium is present in the glass solidifies more slowly, but if the amount is excessive, the glass becomes very quickly opaque.This is why the calcium carbonate makes the permanent area of the glass with regard to moisture is also used. Sodium nitrate and arsenic promote release of the air bubbles thus improving the homogeneity of the glass. These substances are used for the manufacture of glass or transparent colorless. Small amounts of coloring and opacifying substances are used for colored glasses and opals: copper for green and blue, cobalt blue (a bit more nuanced), iron and antimony for brown and yellow, manganese and amethyst purple.
The pendant called "murrina"
These "murrhines" are small round glass made with many glass canes called "thousand flowers"and cut into small cylinders. They are then assembled around a copper necklace and gold to form a design (see photo above). To allow cylinders to properly weld them, they are placed in ovens, then the shine is through the technique of grinding.
Masks
Venice is also associated with masks.That is why you will find shops that sell around the city, even in the most hidden places.
The lace of Burano
Lace appears in Venice in the fifteenth century and the first paper describing the painting is on a carpaccio.
This surely was the Dogaressa Morosina Morosini, wife of Doge Marino Grimani, who made spreading the luxury of lace, even if there is already talk of lace production a century ago. The main feature of the work done to Burano, unlike Venice Pellestrina, lies in the fact that we use the needle (the point of Burano).
Hats carnival
When you go to Venice, there is a particular thing that we always remark strange hats colored velvet.
They seem to come straight from coverest head worn by "mattaccini" (satire) and would be the answer to the famous Venetian character found in many card games : the Joker.
At one time, the satires were respected by all as known as great pranksters, but mostly because they could shoot you between other rotten eggs
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