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Venetian Glass

Glass

By Tim Matthews, JD, FGA, GG, DGA,
CEO and President of JTV (retired)
Published: June 2014
Modified: August 2022
Venetian Glass Jewelry
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Table of Contents
  • General Information
  • Venetian Glass Colors
  • Countries of Origin
  • Care
  • Species/Variety

The Venetian glass industry dates back over 1,500 years. A 1291 Venetian law relocated all glass making to the island of Murano. The stated reason for the law was to prevent fire from destroying the wooden buildings of Venice. Speculation behind the true nature of the law was to protect the design techniques and innovations of the glass artisans from being stolen and taken to other regions. In the early 1800’s the political climate forced the Venetian glass industry into decline. In the Mid 1850’s a resurgence of glassmaking in Venice commenced. The beginning of the 20th century glass makers focused on reproducing classical styles and the rediscovery of the lost techniques of early Venetian artisans. Modern glass artisans are innovating new techniques and inspiring creative designs to establish Venice as the glass blowing capital of the World.

General Information

  • Classification
  • Optical Properties
  • Characteristic Physical Properties
  • Chemistry & Crystallography
Common Name
Venetian Glass
Species
Glass
Transparency
Opaque-Transparent
Dispersion
Strength: None
Refractive Index
1.460-1.800
Optic Character
NA
Optic Sign
NA
Polariscope Reaction
Anomalous Double Refraction (ADR)
Fluorescence
SWUV: Varies
LWUV: Varies
CCF Reaction
Varies based on color
Pleochroism
None
Hardness
4.5-6.5
Streak
White
Specific Gravity
2.250-4.550
Toughness
Poor
Inclusions
Might show swirl lines or glass bubbles.
Luster
Vitreous
Fracture
Conchoidal
Cleavage
None
Chemical Name
Silica
Crystal System
NA

Venetian Glass Colors

  • Blue Venetian Glass
    Blue
  • Blue Venetian Glass
    Blue
  • Green Venetian Glass
    Green
  • Multi-color Venetian Glass
    Multi-color
  • Multi-color Venetian Glass
    Multi-color
  • Multi-color Venetian Glass
    Multi-color
  • Purple Venetian Glass
    Purple
  • Red Venetian Glass
    Red
  • Yellow Venetian Glass
    Yellow

Countries of Origin

Unknown; Italy

Care

Norman care

Species/Variety

Murano Glass

The Italian glass industry dates to the 8th century. In 1291, Venetian glassmakers were ordered to move to the island of Murano to prevent fire from destroying the wooden buildings of Venice. The Murano artists are forever innovating, and they are known for their use of color and intricate glass decorations.

Murano Glass Venetian Glass
Murano Glass Venetian Glass
  • Classification
Common Name
Murano Glass

Millefiori Glass

Millefiori is Italian for thousand flowers. Multiple colored and clear glass canes are designed in flower-like patterns and then fused together. The glass rods are then cut in cross section reveal the pattern.

Millefiori Glass Venetian Glass
Millefiori Glass Venetian Glass
  • Classification
Common Name
Millefiori Glass
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