Everything about Venetian Glass totally explained
Venetian glass is a type of
glass object made in
Venice,
Italy, primarily on the island of
Murano. It is world-renowned for being colorful, elaborate, and skilfully made.
Many of the important characteristics of these objects had been developed by the
13th century. Toward the end of that century, the center of the Venetian glass industry moved to
Murano.
Byzantine craftsmen played a role in the development of Venetian glass, an art form for which the city is well-known. When
Constantinople was sacked by the
Fourth Crusade in
1204, some fleeing artisans came to Venice. This happened again when the
Ottomans took Constantinople in
1453, supplying Venice with still more glassworkers. By the
16th century, Venetian artisans had gained even greater control over the color and transparency of their glass, and had mastered a variety of decorative techniques.
Despite efforts to keep Venetian glassmaking techniques within Venice, they became known elsewhere, and Venetian-style glassware was produced in other Italian cities and other countries of Europe.
History of Murano Glassmaking
Murano’s reputation as a center for glassmaking was born when the
Venetian Republic, fearing fire and destruction to the city’s mostly wood buildings, ordered the destruction of all the foundries within the city in
1291. Though the Republic ordered the destruction of the foundries it authorized and encouraged construction outside the city, and by the late 13th century the glassmaking industry was centered in Murano. Murano glass is still interwoven with Venetian glass.
Murano's glassmakers were soon the island’s most prominent citizens. By the 14th century, glass makers were allowed to wear swords, enjoyed immunity from prosecution by the Venetian state and found their daughters married into Venice’s most affluent families. Of course there was a catch: Glassmakers weren't allowed to leave the Republic. However, many craftsmen took this risk and set up glass furnaces in surrounding cities and as far afield as England and the Netherlands.
Murano’s glassmakers held a monopoly on quality glassmaking for centuries, developing or refining many technologies including crystalline
glass, enameled glass (smalto), glass with threads of gold (aventurine), multicolored glass (
millefiori), milk glass (lattimo), and imitation gemstones made of glass. Today, the artisans of Murano are still employing these century-old techniques, crafting everything from contemporary art glass and glass jewelry to murano glass chandeliers and wine stoppers.
Today, Murano is home to the
Museo Vetrario or
Glass Museum in the Palazzo Giustinian, which holds displays on the history of glassmaking as well as glass samples ranging from Egyptian times through the present day.
The Art of Glassmaking
The process of making Murano glass is rather complex. Most Murano
glass art is made using the
lampworking technique. The glass is made from
silica which becomes liquid at high temperatures. As the glass passes from a
liquid to a
solid state, there's an interval when the glass is soft before it hardens completely. This is when the glass-master can shape the material.
Materials
The other raw materials, called
flux or melting agents, soften at lower temperatures. The more
sodium oxide present in the glass, the slower it solidifies. This is important for hand-working because it allows the glassmaker more time to shape the material. The various raw materials that an artisan might add to a glass mixture are
sodium (to make the glass surface opaque),
nitrate and
arsenic (to eliminate bubbles) and coloring or opacifying substances.
Colors, techniques and materials
Colors, techniques and materials vary depending upon the look a glassmaker is trying to achieve. Aquamarine is created through the use of copper and cobalt compounds whereas ruby red uses a gold solution as a coloring agent. The millefiori technique begins with the layering of sliced canes of glass and conterie or tiny glass beads are formed by cutting thin glass canes into sections when cold then rounded when hot.
Filigree, incalmo,
enamel painted,
engraving, gold engraving, lattimo, ribbed glass and submersion are just a few of the other techniques a glassmaker can employ.
Tools
Murano artisans use specialized tools in the making of their glass. Some of these tools include borselle (tongs or pliers used to hand-form the red-hot glass), canna da soffio (blowing pipe), pontello (an iron rod to which the craftsman attaches the glass after blowing in order to add final touches), scagno (the glass-master's work bench) and tagianti (large glass-cutting clippers).
Further Information
Get more info on 'Venetian Glass'.
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